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Related papers: The Sagnac effect on a scale-dependent rotating BT…

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The Sagnac Interferometer has historically been used for detecting non-reciprocal phenomena, such as rotation. We demonstrate an apparatus in which this technique is employed for high resolution measurements of the Magneto-Optical Polar…

Optics · Physics 2015-06-19 Alexander Fried , Martin Fejer , Aharon Kapitulnik

Sagnac interferometers with massive particles promise unique advantages in achieving high precision measurements of rotation rates over their optical counterparts. Recent proposals and experiments are exploring non-ballistic Sagnac…

Atomic Physics · Physics 2020-02-04 Yijia Zhou , Igor Lesanovsky , Thomas Fernholz , Weibin Li

Matter-wave interferometry with atoms propagating in a guiding potential is expected to provide compact, scalable and precise inertial sensing. However, a rotation sensing device based on the Sagnac effect with atoms guided in a ring has…

We study the collision between a BTZ black hole and a test particle coupled to a scalar field. We compute the power spectrum, the energy radiated and the plunging waveforms for this process. We show that for late times the signal is…

High Energy Physics - Theory · Physics 2009-11-07 Vitor Cardoso , Jose' P. S. Lemos

We theoretically and numerically study the effect of backscattering on rotating ring lasers by employing the Maxwell-Bloch equations. We show that frequency shifts due to the Sagnac effect incorporating the effect of backscattering can be…

Optics · Physics 2009-11-13 Satoshi Sunada , Shuichi Tamura , Keizo Inagaki , Takahisa Harayama

We study the amplification of rotation velocity with the Sagnac interferometer based on the concept of weak-value amplification. By using a different scheme to perform the Sagnac interferometer with the probe in momentum space, we have…

Quantum Physics · Physics 2021-06-22 Jing-Hui Huang , Xue-Ying Duan , Xiang-Yun Hu

In this paper we study the motion of massless particles on a static BTZ black hole background in the context of scale-dependent gravity, which is characterized by the running parameter $\epsilon$. Thus, by using standard methods we obtain…

General Relativity and Quantum Cosmology · Physics 2020-04-08 Mohsen Fathi , Ángel Rincón , J. R. Villanueva

Tune-out wavelengths measured with an atom interferometer are sensitive to laboratory rotation rates because of the Sagnac effect, vector polarizability, and dispersion compensation. We observed shifts in measured tune-out wavelengths as…

We have studied the scalar field as well as the fermonic field perturbations in the background of the massless BTZ black holes. Comparing with the perturbation results in the generic nonrotating BTZ black hole background, we found that the…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Xiaoping Rao , Bin Wang , Guohong Yang

We describe a matter-wave Sagnac interferometer using Bose condensed atoms confined in a time-orbiting potential trap. Compared to our previous implementation [Moan et al., Phys. Rev. Lett. 124, 120403 (2020)], our new apparatus provides…

Atomic Physics · Physics 2024-01-11 M. Beydler , E. R. Moan , Z. Luo , Z. Chu , C. A. Sackett

A nontrivial scalar field configuration of vanishing energy-momentum is reported. These matter configurations have no influence on the metric and therefore they are not be "detected" gravitationally. This phenomenon occurs for a…

High Energy Physics - Theory · Physics 2016-08-16 Eloy Ayón-Beato , Cristián Martínez , Jorge Zanelli

The {\it exact} formulation for the effect of the Brans-Dicke scalar field on the gravitational corrections to the Sagnac delay in the Jordan and Einstein frames is presented for the first time. The results completely agree with the known…

General Relativity and Quantum Cosmology · Physics 2009-10-31 K. K. Nandi , P. M. Alsing , J. C. Evans , T. B. Nayak

Sensitive and accurate rotation sensing is a critical requirement for applications such as inertial navigation [1], north-finding [2], geophysical analysis [3], and tests of general relativity [4]. One effective technique used for rotation…

Atomic Physics · Physics 2020-04-07 E. R. Moan , R. A. Horne , T. Arpornthip , Z. Luo , A. J. Fallon , S. J. Berl , C. A. Sackett

Employing a relativistic rotational transformation to study and analyze rotational phenomena, instead of the rotational transformations based on consecutive Lorentz transformations and Fermi coordinates, leads to different predictions. In…

General Relativity and Quantum Cosmology · Physics 2015-01-07 M. Nouri-Zonoz , H. Ramezani-Aval

We study single-photon scattering via a giant $\Lambda$-type atom, where both atomic transitions are coupled with the modes of a single waveguide at two separated points. The giant-atom structure introduces phase-dependent interference…

Quantum Physics · Physics 2021-09-01 Lei Du , Yong Li

A Sagnac atom interferometer can be constructed using a Bose-Einstein condensate trapped in a cylindrically symmetric harmonic potential. Using the Bragg interaction with a set of laser beams, the atoms can be launched into circular orbits,…

Quantum Physics · Physics 2021-03-26 Zhe Luo , E R Moan , C A Sackett

In the present work a generalization of the BTZ black hole is studied, for the case of scale dependent couplings. One starts by using the effective action for scale dependence couplings to get a generalization of the Einstein field…

High Energy Physics - Theory · Physics 2017-04-18 Angel Rincon , Benjamin Koch , Ignacio Reyes

We consider light waves propagating clockwise and other light waves propagating counterclockwise around a closed path in a plane (theoretically with the help of stationary mirrors). The time difference between the two light propagating path…

General Relativity and Quantum Cosmology · Physics 2007-05-23 S. Sivasubramanian , A. Widom , Y. N. Srivastava

In this paper, we investigate the quantum scalar fields in massive BTZ black hole background. We study the entropy of the system by evaluating the entanglement entropy with the use of discretized approach. Specifically, we fit the results…

High Energy Physics - Theory · Physics 2020-01-06 Yu-Ting Zhou , Xiao-Mei Kuang

We consider the optical Sagnac effect, when the fictitious gravitational field simulates the reflections from the mirrors. It is shown that no contradiction exists between the conclusions of the laboratory and rotated observers. Because of…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Merab Gogberashvili