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The Unruh effect, thereby an ideally accelerated quantum detector is predicted to absorb thermalized virtual photons and re-emit real photons, is significantly extended for laboratory accessible configurations. Using modern influence…

General Relativity and Quantum Cosmology · Physics 2022-12-27 Charles H. -T. Wang , Gianluca Gregori , Robert Bingham , Yakubu Adamu , Bethel N. Eneh , Maé C. Rodriguez , Sarah-Jane Twigg

We address the intrinsic polarisation and screening of external electric field in a broad range of ordered and twisted configurations of multilayer graphene, using an ab initio approach combining density functional theory and the Wannier…

Mesoscale and Nanoscale Physics · Physics 2021-06-11 Nikita V. Tepliakov , QuanSheng Wu , Oleg V. Yazyev

It has been predicted that an accelerating electron performs a Brownian motion in the inertial frame. This Brownian motion in the inertial frame has its roots in the interaction with the thermal excitation given by the Unruh effect in the…

High Energy Physics - Theory · Physics 2015-10-13 Shingo Takeuchi

The process of coherent creation of particle - hole excitations by an electric field in graphene is quantitatively described using a dynamic "first quantized" approach. We calculate the evolution of current density, number of pairs and…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 H. C. Kao , M. Lewkowicz , B. Rosenstein

We derive the differential probability of the photoelectric effect realized at the very low temperature of double graphene in the very strong magnetic field. The relation of this effect to the elementary particle physics, nuclear physics…

High Energy Physics - Phenomenology · Physics 2008-08-08 Miroslav Pardy

The Unruh effect predicts that an accelerated observer perceives the Minkowski vacuum as a thermal bath, but its direct observation requires extreme accelerations beyond current experimental reach. Foundational theory [Olson & Ralph, Phys.…

Quantum Physics · Physics 2025-10-29 Zhenghao Luo , Yi Li , Xingyu Zhao , Zihan Xie , Zehua Tian , Yiheng Lin

The effect of a varying pseudo-magnetic field, which falls as $1/x^2$, on a two dimensional electron gas in graphene is investigated. By considering the second order Dirac equation, we show that its correct general solution is that which…

Mesoscale and Nanoscale Physics · Physics 2015-01-29 L. G. da Silva Leite , D. Cogollo , C. Filgueiras , Edilberto O. Silva

Owing to the ubiquity and easy-to-shape property of optical intensity, the intensity gradient force of light has been most spectacularly exploited in optical manipulation of small particles. Manifesting the intensity gradient as an optical…

We show that a moderately strong constant electric field in the plane of a monolayer graphene sheet can create particle-hole pairs at an observable rate. The pairs undergo zitterbewegung in opposite directions leading to a Hall-like…

Mesoscale and Nanoscale Physics · Physics 2008-06-03 J. C. Martinez , M. B. A. Jalil , S. G. Tan

Magnons in antiferromagnets exhibit two chiral modes, providing an intrinsic degree of freedom for magnon-based computing architectures and spintronic devices. Electrical control of chiral splitting is crucial for applications, but remains…

Materials Science · Physics 2026-01-22 Yu Xie , Dinghui Wang , Chao Li , Xiaofan Shen , Junting Zhang

The electron-hole symmetry in graphene monolayer, which is analogous to the inherent symmetric structure between electrons and positrons of the Universe, plays a crucial role in the chirality and chiral tunnelling of massless Dirac…

Materials Science · Physics 2015-09-16 Ke-Ke Bai , Yi-Cong Wei , Jia-Bin Qiao , Si-Yu Li , Long-Jing Yin , Wei Yan , Jia-Cai Nie , Lin He

Monolayer graphene in a strong magnetic field exhibits quantum Hall states at filling fractions $\nu = 0$ and $\nu = \pm 1$ that are not explained within a picture of noninteracting electrons. We propose that these states arise from…

Mesoscale and Nanoscale Physics · Physics 2014-11-27 Bitan Roy , Malcolm P. Kennett , S. Das Sarma

It is argued that the Unruh effect may be interpreted as a duality of a theory on different backgrounds. This issue is revisited in String Theory in the path integral formalism. By using T-duality and the Unruh effect, the T-dual…

High Energy Physics - Theory · Physics 2019-11-05 Heliudson Bernardo

Tunnelling of electrons in graphene-based junctions is studied theoretically. Graphene is assumed to be deposited either directly on a ferromagnetic insulator or on a few atomic layers of boron nitride which separate graphene from a…

Mesoscale and Nanoscale Physics · Physics 2019-05-01 Jędrzej Tepper , Józef Barnaś

When a granular material composed of elongated grains is sheared in a split-bottom shear cell, a pressure difference develops within the material. This pressure difference depends on the interparticle friction ($\mu$), which affects shear…

Soft Condensed Matter · Physics 2025-12-15 Huzaif Rahim , Sudeshna Roy , Thorsten Pöschel

We review recent results regarding entanglement in quantum fields in cosmological spacetimes and related phenomena in flat spacetime such as the Unruh effect. We being with a summary of important results about field entanglement and the…

Quantum Physics · Physics 2014-10-29 Eduardo Martin-Martinez , Nicolas C. Menicucci

We introduce a method to compute particle detector transition probability in spacetime regions of general curved spacetimes provided that the curvature is not above a maximum threshold. In particular we use this method to compare the…

Quantum Physics · Physics 2017-02-23 Aida Ahmadzadegan , Eduardo Martin-Martinez , Robert B. Mann

We generalize chiral perturbation theory with spinless matter fields in the fundamental representation of ${\rm SU}(N)$ to curved spacetime in the presence of an external gravitational field. This work is motivated by recent interest in…

High Energy Physics - Phenomenology · Physics 2026-03-24 Cheng-Cheng Li , Xiong-Hui Cao , Feng-Kun Guo

We develop a theory of photo-induced drift of chiral molecules or small particles in classical buffer gases. In the absence of a magnetic field there exists a flux of chiral molecules, provided the electromagnetic field is circularly…

Soft Condensed Matter · Physics 2011-09-12 B. Spivak , A. V. Andreev

We study, in the framework of open quantum systems, the geometric phase acquired by a uniformly accelerated two-level atom undergoing nonunitary evolution due to its coupling to a bath of fluctuating vacuum electromagnetic fields in the…

Quantum Physics · Physics 2012-03-28 Jiawei Hu , Hongwei Yu