Quasi-Classical Gravity Effect on Neutrino Oscillations in a Gravitational Field of a Heavy Astrophysical Object by Jonathan Miller, Roman Pasechnik

“…In the framework of quantum field theory, a graviton interacts locally with a quantum state having definite mass, that is, the gravitational mass eigenstate, while a weak boson interacts with a state having definite flavor, that is, the flavor eigenstate. …”
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Vortical waves in a quantum fluid with vector, axial, and helical charges. I. Non-dissipative transport by Sergio Morales-Tejera, Victor E. Ambruş, Maxim N. Chernodub

“…The constitutive relations for the charge currents and the stress-energy tensor at thermal equilibrium, derived in the framework of quantum field theory at finite temperature, reveal vorticity-induced contributions that deviate from the perfect fluid form. …”
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Peculiar index relations, 2D TQFT, and universality of SUSY enhancement by Matthew Buican, Linfeng Li, Takahiro Nishinaka

“…By writing these quantities in the language of 2D topological quantum field theory (TQFT), we easily read off the S-duality action on the flavor symmetries of the AD quivers and also find expressions for the Schur indices of various classes of exotic AD theories appearing in different decoupling limits. …”
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Two-Semester Physics Course for Bachelors at Technical University by S. В. Pereslegin, A. A. Korolev, S. A. Kurashova

“…The following conceptual scheme of the course is proposed: elementary physics as axiomatic science, statistical physics, quantum physics, quantum field theory (general concepts). The experience of the development and using of electronic educational materials (lecture presentations, electronic summaries of lectures and exercises) at ITMO University is analyzed. …”
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Exploring novel solitary wave phenomena in Klein–Gordon equation using $$\phi ^{6}$$ ϕ 6 model expansion method by Yasir A. Madani, Khidir Shaib Mohamed, Sadia Yasin, Sehrish Ramzan, Khaled Aldwoah, Mohammed Hassan

“…Among other areas, its significance in cosmology, quantum field theory, and the study of nonlinear optics are widely considered. …”
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Taming non-analyticities of QFT observables by Thomas W. Grimm, Giovanni Ravazzini, Mick van Vliet

“…Abstract Many observables in quantum field theories are involved non-analytic functions of the parameters of the theory. …”
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Fractional Derivative Regularization in QFT by Vasily E. Tarasov

“…Regularization for quantum field theories based on application of the Riesz fractional derivatives of noninteger orders is suggested. …”
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Realizing IR theories by projections in the UV by Fabian Klos, Daniel Roggenkamp

“…Abstract We show how (topologically twisted) quantum field theories in the IR of bulk RG flows can be represented within the respective UV theories by means of codimenion- one projection defects. …”
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Anomalies of QFTs from M-theory and holography by Ibrahima Bah, Federico Bonetti, Ruben Minasian, Emily Nardoni

“…Abstract We describe a systematic way of computing the ’t Hooft anomalies for continuous symmetries of Quantum Field Theories in even dimensions that can be geometrically engineered from M5-branes. …”
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Operator dimension parity fractionalization by Christopher W. Murphy

“…Abstract Lorentz invariant quantum field theories (QFTs) with fermions in four spacetime dimensions (4D) have a ℤ 4 symmetry provided there exists a basis of operators in the QFT where all operators have even operator dimension, d, including those with d > 4. …”
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Microscopic Description of 2D Topological Phases, Duality, and 3D State Sums by Zoltán Kádár, Annalisa Marzuoli, Mario Rasetti

“…Doubled topological phases introduced by Kitaev, Levin, and Wen supported on two-dimensional lattices are Hamiltonian versions of three-dimensional topological quantum field theories described by the Turaev-Viro state sum models. …”
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Strongly Coupled 𝒫𝒯-Symmetric Models in Holography by Daniel Areán, David Garcia-Fariña, Karl Landsteiner

“…Non-Hermitian quantum field theories are a promising tool to study open quantum systems. …”
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Embedding Feynman integral (Calabi-Yau) geometries in weighted projective space by Jacob L. Bourjaily, Andrew J. McLeod, Cristian Vergu, Matthias Volk, Matt von Hippel, Matthias Wilhelm

“…Abstract It has recently been demonstrated that Feynman integrals relevant to a wide range of perturbative quantum field theories involve periods of Calabi-Yau manifolds of arbitrarily large dimension. …”
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Non-local order parameters and quantum entanglement for fermionic topological field theories by Kansei Inamura, Ryohei Kobayashi, Shinsei Ryu

“…Abstract We study quantized non-local order parameters, constructed by using partial time-reversal and partial reflection, for fermionic topological phases of matter in one spatial dimension protected by an orientation reversing symmetry, using topological quantum field theories (TQFTs). By formulating the order parameters in the Hilbert space of state sum TQFT, we establish the connection between the quantized non-local order parameters and the underlying field theory, clarifying the nature of the order parameters as topological invariants. …”
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Studying the 3d Ising surface CFTs on the fuzzy sphere by Zheng Zhou, Yijian Zou

“…Boundaries not only are fundamental elements in nearly all realistic physical systems, but also greatly enrich the structure of quantum field theories. In this paper, we demonstrate that conformal field theory (CFT) with a boundary, known as surface CFT in three dimensions, can be studied with the setup of fuzzy sphere. …”
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The Higgs mechanism — Hasse diagrams for symplectic singularities by Antoine Bourget, Santiago Cabrera, Julius F. Grimminger, Amihay Hanany, Marcus Sperling, Anton Zajac, Zhenghao Zhong

“…Abstract We explore the geometrical structure of Higgs branches of quantum field theories with 8 supercharges in 3, 4, 5 and 6 dimensions. …”
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On Lorentz Invariant Complex Scalar Fields by Gustavo Rigolin

“…We also formulate logically consistent classical and quantum field theories associated with these Lorentz covariant wave equations. …”
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