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Related papers: Quantum Mpemba-like effect in Unruh thermalization

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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

Unruh-DeWitt (UDW) detector that couples locally to a quantum field is an important tool for operationally studying field properties. Here, we study the response of an inertial UDW detector to a non-relativistic particle state of a massive…

Quantum Physics · Physics 2021-10-05 Qidong Xu

In this work we study the Unruh temperature as arising from tunneling through a barrier for an observer in flat Minkowski spacetime with arbitrary acceleration $a(t)$. For the defining case of constant acceleration $a(t) = a_0$, the Unruh…

General Relativity and Quantum Cosmology · Physics 2026-02-27 Paul M. Alsing

In Minkowski spacetime quantum field theory, each stationary motion is associated with an effective, energy-dependent notion of temperature, which generalises the familiar Unruh temperature of uniform linear acceleration. Motivated by…

General Relativity and Quantum Cosmology · Physics 2025-01-16 Leo J. A. Parry , Jorma Louko

We analyse the instantaneous transition rate of an accelerated Unruh-DeWitt particle detector whose coupling to a quantum field on Minkowski space is regularised by a finite spatial profile. We show, under mild technical assumptions, that…

General Relativity and Quantum Cosmology · Physics 2007-05-23 J. Louko , A. Satz

Thanks to a local interpetation of the KMS condition, the mapping from (unbounded) wedge regions of Minkowski space-time to (bounded) double-cone regions is extended to the Unruh temperature associated to relevant observers in both regions.…

General Relativity and Quantum Cosmology · Physics 2009-07-22 Pierre Martinetti

We investigate the behavior of tetrapartite entanglement in a four-qubit Dicke state under relativistic motion by employing the Unruh-DeWitt detector model, where one detector undergoes uniform acceleration. We show that the entanglement…

General Relativity and Quantum Cosmology · Physics 2026-05-26 Shu-Min Wu , Si-Han Shang , Si-Yu Liu , Rui-Yang Xu , Qianqian Liu , Xiao-Li Huang

The Unruh effect--the prediction that an accelerated observer perceives the vacuum as a thermal bath--remains one of the most profound yet experimentally unverified consequences of quantum field theory. This work analyzes a model for the…

General Relativity and Quantum Cosmology · Physics 2025-10-24 Vladimir Toussaint --

The Unruh effect is a quantum relativistic effect where the accelerated observer perceives the vacuum as a thermal state. Here we propose the experimental realization of the Unruh effect for interacting ultracold fermions in optical…

Quantum Gases · Physics 2018-12-17 Arkadiusz Kosior , Maciej Lewenstein , Alessio Celi

We investigate the quantization of a single unstable mode in a real scalar field subject to a Robin boundary condition in (1+1)-dimensional half-Minkowski spacetime. The instability arises from an imaginary frequency mode - analogous to…

High Energy Physics - Theory · Physics 2025-10-30 Bruno S. Felipe , João P. M. Pitelli

We estimate the transition rates of a uniformly accelerated Unruh-DeWitt detector coupled to a quantum field with reflecting conditions on a boundary plane (a "mirror"). We find that these are essentially indistinguishable from the usual…

General Relativity and Quantum Cosmology · Physics 2012-08-27 Carlo Rovelli , Matteo Smerlak

In recent work by M.H.Lynch, E.Cohen, Y.Hadad and I.Kaminer (LCHK), a modified model of the Unruh-DeWitt quantum detector, coupled to a 4-vector current, has been proposed to examine the radiation emitted by high energy positrons channeled…

General Relativity and Quantum Cosmology · Physics 2024-09-20 Yefim S. Levin

The global topology of spacetime, though invisible to local curvature measurements, leaves signatures on the correlation functions of quantum fields. We study these signatures using an Unruh-DeWitt particle detector operating in…

General Relativity and Quantum Cosmology · Physics 2026-04-24 Nirmalya Kajuri , Sheeshram Siddh

We study the thermalization dynamics of a quantum system embedded in an incommensurate potential and coupled to a Markovian thermal reservoir. The dephasing induced by the bath drives the system toward an infinite-temperature steady state,…

Quantum Physics · Physics 2025-10-16 Mingdi Xu , Zijun Wei , Xiang-Ping Jiang , Lei Pan

This article is motivated by the observation, that calculations of the Unruh effect based on idealized particle detectors are usually made in a way that involves integrations along the {\em entire} detector trajectory up to the infinitely…

General Relativity and Quantum Cosmology · Physics 2009-11-10 Sebastian Schlicht

The Unruh effect predicts a thermal response for an accelerated detector moving through the vacuum. Here we propose an interferometric scheme to observe an analogue of the circular Unruh effect using a localized laser coupled to a…

General Relativity and Quantum Cosmology · Physics 2020-12-22 Cisco Gooding , Steffen Biermann , Sebastian Erne , Jorma Louko , William G. Unruh , Joerg Schmiedmayer , Silke Weinfurtner

In this paper, we present a method for estimating the validity range of the quantum Markovian master equation as applied to the Unruh-DeWitt (UDW) detector within a broader context, particularly without necessitating an exact solution for…

General Relativity and Quantum Cosmology · Physics 2025-10-20 Si-Wei Han , Wenjing Chen , Langxuan Chen , Zhichun Ouyang , Jun Feng

The Unruh effect is a well-understood phenomenon, where one considers a vacuum state of a quantum field in Minkowski spacetime, which appears to be thermally populated for a uniformly accelerating Rindler observer. In this article, we…

High Energy Physics - Theory · Physics 2026-04-17 Akhil U Nair , Rakesh K. Jha , Prasant Samantray , Sashideep Gutti

In this work, the notion of spacetime of maximal proper acceleration is motivated as a weak form to implement general covariance and a generalized form of Einstein's equivalence principle from a physical point of view and the fundamental…

General Relativity and Quantum Cosmology · Physics 2025-08-29 Ricardo Gallego Torromé

We study the perception of the radiation phenomena of Hawking radiation and Unruh effect by using two main tools: the Unruh-DeWitt detectors and the effective temperature function (ETF), this last tool based on Bogoliubov transformations.…

General Relativity and Quantum Cosmology · Physics 2015-01-13 Luis C. Barbado