# Weekly Papers on Quantum Foundations (45)

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Sat Nov 05 2022 01:39:37 (9 hours)

# 1.

ROVELLI, Carlo (2022) How causation is rooted into thermodynamics. [Preprint]

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Patrick Charbonneau

Fri Nov 04 2022 09:24:12 (1 day)

# 2.

Among the various remarkable contributions of Giorgio Parisi to physics, his formulation of the replica symmetry breaking solution for the Sherrington-Kirkpatrick model stands out. In this article, different historical sources are used to reconstruct the scientific and professional contexts of this prodigious advance.

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Gary T. Horowitz, Maciej Kolanowski, Jorge E. Santos

Fri Nov 04 2022 09:24:11 (1 day)

# 3.

In holography, the IR behavior of a quantum system at nonzero density is described by the near horizon geometry of an extremal charged black hole. It is commonly believed that for systems on $S^3$, this near horizon geometry is $AdS_2\times S^3$. We show that this is not the case: generic static, nonspherical perturbations of $AdS_2\times S^3$ blow up at the horizon, showing that it is not a stable IR fixed point. We then construct a new near horizon geometry which is invariant under only $SO(3)$ (and not $SO(4)$) symmetry and show that it is stable to $SO(3)$-preserving perturbations (but not in general). We also show that an open set of nonextremal, $SO(3)$-invariant charged black holes develop this new near horizon geometry in the limit $T \to 0$. Our new IR geometry still has $AdS_2$ symmetry, but it is warped over a deformed sphere. We also construct many other near horizon geometries, including some with no rotational symmetries, but expect them all to be unstable IR fixed points.

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David H. Wolpert

Fri Nov 04 2022 09:24:11 (1 day)

# 4.

In this essay I will consider a sequence of questions, ending with one about the breadth and depth of the epistemic limitations of our our science and mathematics. I will then suggest a possible way to circumvent such limitations. I begin by considering questions about the biological function of intelligence. This will lead into questions concerning human language, perhaps the most important cognitive prosthesis we have ever developed. While it is traditional to rhapsodize about the perceptual power provided by human language, I will emphasize how horribly limited – and therefore limiting – it is. This will lead to questions of whether human mathematics, being so deeply grounded in our language, is also deeply limited. I will then combine all of this into a partial, sort-of, sideways answer to the guiding question of this essay: what we can ever discern about all that we cannot even conceive of?

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Daniel Finstad, Laurel V. White, Duncan A. Brown

Fri Nov 04 2022 09:24:09 (1 day)

# 5.

Gravitational-wave observations of neutron star mergers can probe the nuclear equation of state by measuring the imprint of the neutron star’s tidal deformability on the signal. We investigate the ability of future gravitational-wave observations to produce a precise measurement of the equation of state from binary neutron star inspirals. Since measurability of the tidal effect depends on the equation of state, we explore several equations of state that span current observational constraints. We generate a population of binary neutron stars as seen by a simulated Advanced LIGO-Virgo network, as well as by a planned Cosmic Explorer observatory. We perform Bayesian inference to measure the parameters of each signal, and we combine measurements across each population to determine $R_{1.4}$, the radius of a $1.4M_{\odot}$ neutron star. We find that with 321 signals the LIGO-Virgo network is able to measure $R_{1.4}$ to better than 2% precision for all equations of state we consider, however we find that achieving this precision could take decades of observation, depending on the equation of state and the merger rate. On the other hand we find that with one year of observation, Cosmic Explorer will measure $R_{1.4}$ to better than 0.6% precision. In both cases we find that systematic biases, such as from an incorrect mass prior, can significantly impact measurement accuracy and efforts will be required to mitigate these effects.

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Abhay Ashtekar

Fri Nov 04 2022 09:24:04 (1 day)

# 6.

Exactly soluble models can serve as excellent tools to explore conceptual issues in non-perturbative quantum gravity. In perturbative approaches, it is only the two radiative modes of the linearized gravitational field that are quantized. The goal of this investigation is to probe the `Coulombic’ aspects of quantum geometry that are governed entirely by matter sources. Since there are no gravitational waves in 3 dimensions, 3-d gravity coupled to matter provides an ideal arena for this task. Our analysis will reveal novel aspects of quantum gravity that bring out limitations of classical and semi-classical theories in unforeseen regimes: non-linearities of general relativity can magnify small quantum fluctuations in the matter sector to large effects in the gravitational sector. Finally, this analysis leads to thought experiments that bring out rather starkly why understanding of the nature of physical reality depends sensitively on the theoretical lens with which it is probed. As theories becomes richer, new scales emerge, triggering novel effects that could not be imagined before. The model provides a concise realization of this well-known chain.

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John Gough

Thu Nov 03 2022 09:22:29 (2 days)

# 7.

We dedicate this to the life and work of Robin Hudson — a mathematical physicist who developed the peerless quantum stochastic calculus, but who also inspired generations of researchers with both his intellect and wit.

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Jonte R. Hance, Sabine Hossenfelder

Thu Nov 03 2022 09:22:28 (2 days)

# 8.

A recent Nature Physics editorial (Nat. Phys. (2022) 18, 961) falsely claims “any theory that uses hidden variables still requires non-local physics.” We correct this claim and explain why it is important to get this right.

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Thu Nov 03 2022 09:21:40 (2 days)

# 9.

Stoica, Ovidiu Cristinel (2022) Born rule: quantum probability as classical probability. [Preprint]

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Thu Nov 03 2022 01:23:45 (2 days)

# 10.

Dumitru, Spiridon (2022) Possible Perspective for Quantum Mechanics Interpretation: An Essay-Suggestion. European Journal of Applied Physics, 4 (5). pp. 55-62. ISSN 2684-4451

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Jonte R. Hance, Sabine Hossenfelder

Wed Nov 02 2022 08:53:51 (3 days)

# 11.

It was recently argued by Catani et al that it is possible to reproduce the phenomenology of the double-slit experiment with a deterministic, local, and classical model (arXiv:2111.13727). The stated aim of their argument is to falsify the claim made by Feynman (in his third book of Lectures on Physics) that the double-slit experiment is “impossible, absolutely impossible, to explain in any classical way” and that it “contains the only mystery” of quantum mechanics. We here want to point out some problems with their argument, and defend Feynman’s position. This is an update of our criticism following an update of Catani et al’s paper that clarified some issues we had previously raised.

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Wed Nov 02 2022 04:25:48 (3 days)

# 12.

Linford, Daniel (2022) A Modal Condition for the Beginning of the Universe. [Preprint]

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Wed Nov 02 2022 04:22:48 (3 days)

# 13.

Schupbach, Jonah N. (2022) On the Logical Structure of Best Explanations. In: UNSPECIFIED.

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Tue Nov 01 2022 05:58:36 (4 days)

# 14.

Khudairi, Hasen (2017) Epistemic Modality and Hyperintensionality in Mathematics. [Preprint]

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Tue Nov 01 2022 05:53:54 (4 days)

# 15.

Boudry, Maarten (2021) Why We Should Be Suspicious of Conspiracy Theories. A Novel Demarcation Problem. [Preprint]

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PRL: General Physics: Statistical and Quantum Mechanics, Quantum Information, etc.

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Jorge Miguel-Ramiro, Ferran Riera-Sàbat, and Wolfgang Dür

Mon Oct 31 2022 18:00:00 (4 days)

# 16.

Author(s): Jorge Miguel-Ramiro, Ferran Riera-Sàbat, and Wolfgang Dür

Maximally entangled states are a key resource in many quantum communication and computation tasks, and their certification is a crucial element to guarantee the desired functionality. We introduce collective strategies for the efficient, local verification of ensembles of Bell pairs that make use of…

[Phys. Rev. Lett. 129, 190504] Published Mon Oct 31, 2022

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PRL: General Physics: Statistical and Quantum Mechanics, Quantum Information, etc.

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Iman Marvian

Mon Oct 31 2022 18:00:00 (4 days)

# 17.

Author(s): Iman Marvian

In the framework of quantum thermodynamics preparing a quantum system in a general state requires the consumption of two distinct resources, namely, work and energetic coherence. It has been shown that the work cost of preparing a quantum state is determined by its free energy. Considering a similar…

[Phys. Rev. Lett. 129, 190502] Published Mon Oct 31, 2022

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Sun Oct 30 2022 07:09:38 (6 days)

# 18.

Arroyo, Raoni Wohnrath and Arenhart, Jonas R. B. (2022) Whence deep realism for Everettian quantum mechanics? [Preprint]

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Sat Oct 29 2022 05:30:24 (1 week)

# 19.

Muthukrishnan, Siddharth (2022) Unpacking Black Hole Complementarity. [Preprint]

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T. Rick Perche, Boris Ragula, Eduardo Martín-Martínez

Fri Oct 28 2022 09:26:29 (1 week)

# 20.

We study how quantum systems can harvest entanglement from the quantum degrees of freedom of the gravitational field. Concretely, we describe in detail the interaction of non-relativistic quantum systems with linearized quantum gravity, and explore how two spacelike separated probes can harvest entanglement from the gravitational field in this context. We provide estimates for the harvested entanglement for realistic probes which can be experimentally relevant in the future, since entanglement harvesting experiments can provide evidence for the existence of quantum degrees of freedom of gravity.

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Neil Dowling, Kavan Modi

Fri Oct 28 2022 09:26:28 (1 week)

# 21.

Chaotic systems are highly sensitive to a small perturbation, be they biological, chemical, classical, ecological, political, or quantum. Taking this as the underlying principle, we construct an operational notion for quantum chaos. Namely, we demand that the whole future state of a large, isolated quantum system is highly sensitive to past multitime operations on a small subpart of that system. This immediately leads to a direct link between quantum chaos and volume-law spatiotemporal entanglement. Remarkably, our operational criterion already contains the routine notions, as well as the well-known diagnostics for quantum chaos. This includes the Peres-Loschmidt Echo, Dynamical Entropy, and Out-of-Time-Order Correlators. Our principle therefore unifies these existing diagnostics within a single structure. Within this framework, we also go on to quantify how several mechanisms lead to quantum chaos, such as unitary designs. Our work paves the way to systematically study exotic many-body dynamical phenomena like Many-Body Localisation, many-body scars, measurement-induced phase transitions, and Floquet dynamics. We anticipate that our work may lead to a clear link between the Eigenstate Thermalization Hypothesis and quantum chaos.

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Roderick Sutherland

Fri Oct 28 2022 09:26:26 (1 week)

# 22.

This paper is concerned with the causally symmetric version of the familiar de Broglie-Bohm interpretation, this version allowing the spacelike nonlocality and the configuration space ontology of the original model to be avoided via the addition of retrocausality. Two different features of this alternative formulation are considered here. With regard to probabilities, it is shown that the model provides a derivation of the Born rule identical to that in Bohm’s original formulation. This derivation holds just as well for a many-particle, entangled state as for a single particle. With regard to “certainties”, the description of a particles spin is examined within the model and it is seen that a statistical description is no longer necessary once final boundary conditions are specified in addition to the usual initial state, with the particle then possessing a definite (but hidden) value for every spin component at intermediate times. These values are consistent with being the components of a single, underlying spin vector. The case of a two-particle entangled spin state is also examined and it is found that, due to the retrocausal aspect, each particle possesses its own definite spin during the entanglement, independent of the other particle. In formulating this picture, it is demonstrated how such a realistic model can preserve Lorentz invariance in the face of Bell’s theorem and avoid the need for a preferred reference frame.

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Tristram de Piro

Fri Oct 28 2022 09:26:17 (1 week)

# 23.

We prove there exists a charge solution to the 1-dimensional wave equation, and a corresponding current, such that the pair satisfy the continuity equation. We show that when they are extended to a smooth solution of the continuity equation on a vanishing annulus containing the unit circle, with a corresponding causal solution to Maxwell’s equations, obtained from Jefimenko’s equations, the power radiated at infinity in a time cycle is zero.

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Lajos Diósi

Fri Oct 28 2022 09:26:16 (1 week)

# 24.

Based on the assumption that the standard Schr\”odinger equation becomes gravitationally modified for massive macroscopic objects, two independent proposals has survived from the nineteen-eighties. The Schr\”odinger–Newton equation (1984) provides well-localized solitons for free macro-objects but lacks the mechanism how extended wave functions collapse on solitons. The gravity-related stochastic Schr\”odinger equation (1989) provides the spontaneous collapse but the resulting solitons undergo a tiny diffusion leading to an inconvenient steady increase of the kinetic energy. We propose the stochastic Schr\”odinger–Newton equation which contains the above two gravity-related modifications together. Then the wave functions of free macroscopic bodies will gradually and stochastically collapse to solitons which perform inertial motion without the momentum diffusion: conservation of momentum and energy is restored.

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Fri Oct 28 2022 02:07:22 (1 week)

# 25.

Drummond, Brian (2022) Quantum Mechanics: Statistical Balance Prompts Caution in Assessing Conceptual Implications. Entropy, 24 (11). p. 1537. ISSN 1099-4300

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Thu Oct 27 2022 07:02:36 (1 week)

# 26.

Oriti, Daniele (2018) Levels of spacetime emergence in quantum gravity. [Preprint]

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Thu Oct 27 2022 07:01:42 (1 week)

# 27.

Oriti, Daniele (2021) TGFT condensate cosmology as an example of spacetime emergence in quantum gravity. [Preprint]

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Thu Oct 27 2022 02:57:14 (1 week)

# 28.

Gao, Shan (2022) Reality of mass and charge and its implications for the meaning of the wave function. [Preprint]

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Wed Oct 26 2022 13:59:03 (1 week)

# 29.

Ruetsche, Laura (2022) UnBorn: Probability in Bohmian Mechanics. In: UNSPECIFIED.

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Ali Barzegar, Daniele Oriti

Wed Oct 26 2022 08:48:28 (1 week)

# 30.

In this paper, we investigate similarities and differences between the main neo-Copenhagen (or “epistemic-pragmatist”) interpretations of quantum mechanics, here identified as those defined by the rejection of an ontological nature of the quantum states and the simultaneous avoidance of hidden variables, while maintaining the quantum formalism unchanged. We argue that there is a single general interpretive framework with a common core to which all these interpretations are committed, so that they can be regarded as different instances of it, with some of their differences being mostly a matter of emphasis and degree. We also identify, however, remaining differences of a more substantial nature, and we offer a first analysis of them. We also argue that these remaining differences cannot be resolved within the formalism of quantum mechanics itself and identify the more general philosophical considerations that can be used in order to break this interpretation underdetermination.

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Golam Ali Sekh, Benoy Talukdar

Wed Oct 26 2022 08:48:27 (1 week)

# 31.

Satyendra Nath Bose is one of the great Indian scientists. His remarkable work on the black body radiation or derivation of Planck’s law led to quantum statistics, in particular, the statistics of photon. Albert Einstein applied Bose’s idea to a gas made of atoms and predicted a new state of matter now called Bose-Einstein condensate. It took 70 years to observe the predicted condensation phenomenon in the laboratory. With a brief introduction to the formative period of Professor Bose, this research survey begins with the founding works on quantum statistics and, subsequently, provides a brief account of the series of events terminating in the experimental realization of Bose-Einstein condensation. We also provide two simple examples to visualize the role of synthetic spin-orbit coupling in a quasi-one-dimensional condensate with attractive atom-atom interaction.

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Mani L. Bhaumik

Wed Oct 26 2022 08:48:26 (1 week)

# 32.

The persistent debate about the reality of a quantum state has recently come under limelight because of its importance to quantum information and the quantum computing community. Almost all of the deliberations are taking place using the elegant and powerful but abstract Hilbert space formalism of quantum mechanics developed with seminal contributions from John von Neumann. Since it is rather difficult to get a direct perception of the events in an abstract vector space, it is hard to trace the progress of a phenomenon. Among the multitude of recent attempts to show the reality of the quantum state in Hilbert space, the Pusey-Barrett-Rudolph theory gets most recognition for their proof. But some of its assumptions have been criticized, which are still not considered to be entirely loophole free. A straightforward proof of the reality of the wave packet function of a single particle has been presented earlier based on the currently recognized fundamental reality of the universal quantum fields. Quantum states like the atomic energy levels comprising the wave packets have been shown to be just as real. Here we show that an unambiguous proof of reality of the quantum states gleaned from the reality of quantum fields can also provide an explicit substantiation of the reality of quantum states in Hilbert space.

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Ulrich J. Mohrhoff

Wed Oct 26 2022 08:48:25 (1 week)

# 33.

In a recent note David Mermin attributed the idea that wave function collapse is a physical process to a misunderstanding of probability and the role it plays in quantum mechanics. There are, however, further misconceptions at play, some of which are shared by Mermin himself and more generally by QBists. The main objective of the present comment on his note is to explain why I disagree with his reading of a well-known passage by Niels Bohr, in particular the ambiguity of the first-person plural he perceives in Bohr’s reference to “our description of nature” and “our experience.”

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Wed Oct 26 2022 05:24:42 (1 week)

# 34.

Gomes, Henrique (2022) Same-diff? Conceptual similarities between gauge transformations and diffeomorphisms. Part II: Challenges to sophistication. [Preprint]

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Wed Oct 26 2022 05:23:29 (1 week)

# 35.

Gomes, Henrique (2022) Same-Diff? Conceptual similarities between gauge transformations and diffeomorphisms Part I: Symmetries and isomorphisms. [Preprint]

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Wed Oct 26 2022 05:20:49 (1 week)

# 36.

Gomes, Henrique (2022) “Is spacetime locally flat?”: a note. [Preprint]

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Wed Oct 26 2022 01:05:43 (1 week)

# 37.

Mättig, Peter (2022) Classifying Exploratory Experimentation – Three Case Studies of Exploratory Experimentation at the LHC. [Preprint]

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Wed Oct 26 2022 01:04:42 (1 week)

# 38.

Pinto de Oliveira, J. C. (2022) Kuhn and the historiographical revolution. [Preprint]

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Nature Physics

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R. Abbasi; M. Ackermann; J. Adams; J. A. Aguilar; M. Ahlers; M. Ahrens; J. M. Alameddine; C. Alispach; A. A. Alves Jr; N. M. Amin; K. Andeen; T. Anderson; G. Anton; C. Argüelles; Y. Ashida; S. Axani; X. Bai; A. Balagopal V; A. Barbano; S. W. Barwick; B. Bastian; V. Basu; S. Baur; R. Bay; J. J. Beatty; K.-H. Becker; J. Becker Tjus; C. Bellenghi; S. BenZvi; D. Berley; E. Bernardini; D. Z. Besson; G. Binder; D. Bindig; E. Blaufuss; S. Blot; M. Boddenberg; F. Bontempo; J. Borowka; S. Böser; O. Botner; J. Böttcher; E. Bourbeau; F. Bradascio; J. Braun; B. Brinson; S. Bron; J. Brostean-Kaiser; S. Browne; A. Burgman; R. T. Burley; R. S. Busse; M. A. Campana; E. G. Carnie-Bronca; C. Chen; Z. Chen; D. Chirkin; K. Choi; B. A. Clark; K. Clark; L. Classen; A. Coleman; G. H. Collin; J. M. Conrad; P. Coppin; P. Correa; D. F. Cowen; R. Cross; C. Dappen; P. Dave; C. De Clercq; J. J. DeLaunay; D. Delgado López; H. Dembinski; K. Deoskar; A. Desai; P. Desiati; K. D. de Vries; G. de Wasseige; M. de With; T. DeYoung; A. Diaz; J. C. Díaz-Vélez; M. Dittmer; H. Dujmovic; M. Dunkman; M. A. DuVernois; E. Dvorak; T. Ehrhardt; P. Eller; R. Engel; H. Erpenbeck; J. Evans; P. A. Evenson; K. L. Fan; K. Farrag; A. R. Fazely; N. Feigl; S. Fiedlschuster; A. T. Fienberg; K. Filimonov; C. Finley; L. Fischer; D. Fox; A. Franckowiak; E. Friedman; A. Fritz; P. Fürst; T. K. Gaisser; J. Gallagher; E. Ganster; A. Garcia; S. Garrappa; L. Gerhardt; A. Ghadimi; C. Glaser; T. Glauch; T. Glüsenkamp; J. G. Gonzalez; S. Goswami; D. Grant; T. Grégoire; S. Griswold; C. Günther; P. Gutjahr; C. Haack; A. Hallgren; R. Halliday; L. Halve; F. Halzen; M. Ha Minh; K. Hanson; J. Hardin; A. A. Harnisch; A. Haungs; D. Hebecker; K. Helbing; F. Henningsen; E. C. Hettinger; S. Hickford; J. Hignight; C. Hill; G. C. Hill; K. D. Hoffman; R. Hoffmann; B. Hokanson-Fasig; K. Hoshina; F. Huang; M. Huber; T. Huber; K. Hultqvist; M. Hünnefeld; R. Hussain; K. Hymon; S. In; N. Iovine; A. Ishihara; M. Jansson; G. S. Japaridze; M. Jeong; M. Jin; B. J. P. Jones; D. Kang; W. Kang; X. Kang; A. Kappes; D. Kappesser; L. Kardum; T. Karg; M. Karl; A. Karle; T. Katori; U. Katz; M. Kauer; M. Kellermann; J. L. Kelley; A. Kheirandish; K. Kin; T. Kintscher; J. Kiryluk; S. R. Klein; R. Koirala; H. Kolanoski; T. Kontrimas; L. Köpke; C. Kopper; S. Kopper; D. J. Koskinen; P. Koundal; M. Kovacevich; M. Kowalski; T. Kozynets; E. Kun; N. Kurahashi; N. Lad; C. Lagunas Gualda; J. L. Lanfranchi; M. J. Larson; F. Lauber; J. P. Lazar; J. W. Lee; K. Leonard; A. Leszczyńska; Y. Li; M. Lincetto; Q. R. Liu; M. Liubarska; E. Lohfink; C. J. Lozano Mariscal; L. Lu; F. Lucarelli; A. Ludwig; W. Luszczak; Y. Lyu; W. Y. Ma; J. Madsen; K. B. M. Mahn; Y. Makino; S. Mancina; S. Mandalia; I. C. Mariş; I. Martinez-Soler; R. Maruyama; K. Mase; T. McElroy; F. McNally; J. V. Mead; K. Meagher; S. Mechbal; A. Medina; M. Meier; S. Meighen-Berger; J. Micallef; D. Mockler; T. Montaruli; R. W. Moore; R. Morse; M. Moulai; R. Naab; R. Nagai; U. Naumann; J. Necker; L. V. Nguyên; H. Niederhausen; M. U. Nisa; S. C. Nowicki; A. Obertacke Pollmann; M. Oehler; B. Oeyen; A. Olivas; E. O’Sullivan; H. Pandya; D. V. Pankova; N. Park; G. K. Parker; E. N. Paudel; L. Paul; C. Pérez de los Heros; L. Peters; J. Peterson; S. Philippen; S. Pieper; M. Pittermann; A. Pizzuto; M. Plum; Y. Popovych; A. Porcelli; M. Prado Rodriguez; P. B. Price; B. Pries; G. T. Przybylski; C. Raab; A. Raissi; M. Rameez; K. Rawlins; I. C. Rea; A. Rehman; P. Reichherzer; R. Reimann; G. Renzi; E. Resconi; S. Reusch; W. Rhode; M. Richman; B. Riedel; E. J. Roberts; S. Robertson; G. Roellinghoff; M. Rongen; C. Rott; T. Ruhe; D. Ryckbosch; D. Rysewyk Cantu; I. Safa; J. Saffer; S. E. Sanchez Herrera; A. Sandrock; J. Sandroos; M. Santander; S. Sarkar; S. Sarkar; K. Satalecka; M. Schaufel; H. Schieler; S. Schindler; T. Schmidt; A. Schneider; J. Schneider; F. G. Schröder; L. Schumacher; G. Schwefer; S. Sclafani; D. Seckel; S. Seunarine; A. Sharma; S. Shefali; M. Silva; B. Skrzypek; B. Smithers; R. Snihur; J. Soedingrekso; D. Soldin; C. Spannfellner; G. M. Spiczak; C. Spiering; J. Stachurska; M. Stamatikos; T. Stanev; R. Stein; J. Stettner; A. Steuer; T. Stezelberger; T. Stürwald; T. Stuttard; G. W. Sullivan; I. Taboada; S. Ter-Antonyan; S. Tilav; F. Tischbein; K. Tollefson; C. Tönnis; S. Toscano; D. Tosi; A. Trettin; M. Tselengidou; C. F. Tung; A. Turcati; R. Turcotte; C. F. Turley; J. P. Twagirayezu; B. Ty; M. A. Unland Elorrieta; N. Valtonen-Mattila; J. Vandenbroucke; N. van Eijndhoven; D. Vannerom; J. van Santen; S. Verpoest; C. Walck; T. B. Watson; C. Weaver; P. Weigel; A. Weindl; M. J. Weiss; J. Weldert; C. Wendt; J. Werthebach; M. Weyrauch; N. Whitehorn; C. H. Wiebusch; D. R. Williams; M. Wolf; K. Woschnagg; G. Wrede; J. Wulff; X. W. Xu; J. P. Yanez; S. Yoshida; S. Yu; T. Yuan; Z. Zhang; P. Zhelnin

Mon Oct 24 2022 08:00:00 (1 week)

# 39.

Nature Physics, Published online: 24 October 2022; doi:10.1038/s41567-022-01762-1

The IceCube Collaboration reports a search for quantum gravity effects imprinted in flavour conversions of astrophysical neutrinos. No evidence for anomalous conversions between neutrino flavours is observed.

from

Nature Physics

by

Giulia Gubitosi

Mon Oct 24 2022 08:00:00 (1 week)

# 40.

Nature Physics, Published online: 24 October 2022; doi:10.1038/s41567-022-01806-6

Lorentz symmetry violations might produce anomalies in the propagation of particles travelling through the Universe. The IceCube Collaboration performed the most precise search for such an effect with neutrinos, finding no sign of anomalous behaviour.