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Acceleration radiation - or Unruh radiation - the thermal radiation observed by an ever accelerating observer or detector, although having similarities to Hawking radiation, so far has proved extremely challenging to observe experimentally.…

量子物理 · 物理学 2020-03-05 Brian P. Dolan , Aonghus Hunter-McCabe , Jason Twamley

This report is about contradiction between fidelity needed to determine the entanglement and concomitant noise that always accompanies precise measurement. Account of quantum properties of field leads to additional noise caused by multiple…

量子物理 · 物理学 2007-05-23 Constantin V. Usenko

I present some simple exactly solvable models of spin diffusion caused by synchrotron radiation noise in storage rings. I am able to use standard stochastic differential equation and Fokker-Planck methods and I thereby introduce, and…

加速器物理 · 物理学 2008-02-03 K. Heinemann

Recent ultra-intense lasers of subcritical fields and proposed observations of the x-rays polarization from highly magnetized neutron stars of supercritical fields have attracted attention to vacuum birefringence, a unique feature of…

高能天体物理现象 · 物理学 2025-04-08 Chul Min Kim , Sang Pyo Kim

Unruh's detector calculation is used to study the effect of the defect angle $\beta$ in a space-time with a cosmic string for both the excitation and deexcitation cases. It is found that a rotating detector results in a non-zero effect for…

广义相对论与量子宇宙学 · 物理学 2015-06-25 A. Bilge , M. Hortacsu , N. Ozdemir

We look for classical traces of the Unruh effect in gravity waves. For this purpose, we start considering a white noise state of gravity waves on the surface of a water basin and calculate the two- and four-point functions of the Fourier…

广义相对论与量子宇宙学 · 物理学 2020-04-01 Guilherme B. Barros , Joao P. C. R. Rodrigues , Andre G. S. Landulfo , George E. A. Matsas

In the present paper the equations for the spin evolution of a particle in a storage ring are analyzed considering contributions from the tensor electric and magnetic polarizabilities of the particle. Study of spin rotation and…

高能物理 - 唯象学 · 物理学 2007-05-23 V. G. Baryshevsky , A. A. Gurinovich

We propose a test for the circular Unruh effect using certain atoms - fluorine and oxygen. For these atoms the centripetal acceleration of the outer shell electrons implies an effective Unruh temperature in the range 1000 - 2000 K. This…

高能物理 - 理论 · 物理学 2012-10-12 Navid Rad , Douglas Singleton

The Unruh effect is one of the first calculations of what one would see when transiting between an inertial reference frame with its quantum field vacuum state and a non-inertial (specifically, uniformly accelerating) reference frame. The…

广义相对论与量子宇宙学 · 物理学 2023-12-18 Satish Ramakrishna

In this manuscript we examine the high energy channeling radiation data sets from the CERN-NA63 experiment using ultra relativistic synchrotron emission. To incorporate recoil, we examine the standard quasi-classical formalism as well as…

高能物理 - 唯象学 · 物理学 2025-09-29 Morgan H. Lynch

The Unruh effect predicts that a uniformly accelerated observer perceives the vacuum seen by an inertial observer as a thermal bath at a temperature proportional to its proper acceleration. This phenomenon is often regarded as a flat…

广义相对论与量子宇宙学 · 物理学 2025-09-23 Yuebing Zhou , Jiawei Hu , Hongwei Yu

While the robustness of Hawking radiation in the presence of UV Lorentz breaking is well-established, the Unruh effect has posed a challenge, with a large literature concluding that even the low-energy restoration of Lorentz invariance may…

广义相对论与量子宇宙学 · 物理学 2025-04-23 F. Del Porro , M. Herrero-Valea , S. Liberati , M. Schneider

Unruh effect is a landmark prediction of standard quantum field theory in which Fock vacuum state appears as a thermal state with respect to an uniformly accelerating observer. Given its dependence on trans-Planckian modes, Unruh effect is…

广义相对论与量子宇宙学 · 物理学 2016-12-07 Golam Mortuza Hossain , Gopal Sardar

First order corrections to the Unruh effect are calculated from a model of an accelerated particle detector of finite mass. We show that quantum smearing of the trajectory and large recoil essentially do not modify the Unruh effect.…

广义相对论与量子宇宙学 · 物理学 2025-10-29 B. Reznik

We show that the Sokolov--Ternov effect -- the depolarization of particles in storage rings coming from synchrotron radiation due to spin flip transitions -- is physically equivalent to the Unruh effect for circular acceleration if one uses…

高能物理 - 唯象学 · 物理学 2008-11-26 Emil T. Akhmedov , Douglas Singleton

Derived from semi-classical quantum field theory in curved spacetime, Unruh effect was known as a quantum effect. We find that there does exist a classical correspondence of this effect in electrodynamics. The thermal nature of the vacuum…

广义相对论与量子宇宙学 · 物理学 2007-05-23 Shih-Yuin Lin

The Beta Beam, the concept of generating a pure and intense (anti) neutrino beam by letting accelerated radioactive ions beta decay in a storage ring called the Decay Ring (DR), is the basis of one of the proposed next generation neutrino…

加速器物理 · 物理学 2015-05-30 Christian Hansen , Giovanni Rumolo

The birefringence effect in the nuclear pseudoelectric field of matter and an external electric field for a particle (deuteron, nucleus) moving in a storage ring is discussed. The influence of the birefringence effect on the EDM measurement…

高能物理 - 唯象学 · 物理学 2007-05-23 V. G. Baryshevsky

The circular noise is important in connection to Mach's principle, and also as a possible probe of the Unruh effect. In this letter the power spectrum of the detector following the Trocheries-Takeno motion in the Minkowski vacuum is…

广义相对论与量子宇宙学 · 物理学 2009-11-11 Daniel Müller

The usual theoretical model for synchrotron radiation in circular accelerators (synchrotrons and storage rings) is to treat a single electron moving in a horizontal circle in a uniform vertical magnetic field, but the true situation in real…

加速器物理 · 物理学 2025-12-18 S. R. Mane