scholarly journals Anomalous character of the axion–photon coupling in a magnetic field distorted by a pp-wave gravitational background

2014 ◽  
Vol 31 (10) ◽  
pp. 105002 ◽  
Author(s):  
Alexander B Balakin ◽  
Wei-Tou Ni
Keyword(s):  
Magnetic Field ◽  
Pp Wave ◽  
Anomalous Character ◽  
Photon Coupling ◽  
Gravitational Background

scholarly journals Magnetic control of polariton spin transport

2019 ◽  
Vol 2 (1) ◽  
Author(s):  
D. Caputo ◽  
E. S. Sedov ◽  
D. Ballarini ◽  
M. M. Glazov ◽  
A. V. Kavokin ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Spin Transport ◽  
Beat Frequency ◽  
Magnetic Control ◽  
Polarization Pattern ◽  
Spin Degree ◽  
Full Control ◽  
Planar Microcavity ◽  
The Magnetic Field ◽  
Photon Coupling

AbstractPolaritons are hybrid light–matter quasiparticles arising from the strong coupling of excitons and photons. Owing to the spin degree-of-freedom, polaritons form spinor fluids able to propagate in the cavity plane over long distances with promising properties for spintronics applications. Here we demonstrate experimentally the full control of the polarization dynamics of a propagating exciton–polariton condensate in a planar microcavity by using a magnetic field applied in the Voigt geometry. We show the change of the spin-beat frequency, the suppression of the optical spin Hall effect, and the rotation of the polarization pattern by the magnetic field. The observed effects are theoretically reproduced by a phenomenological model based on microscopic consideration of exciton–photon coupling in a microcavity accounting for the magneto-induced mixing of exciton–polariton and dark, spin-forbidden exciton states.

scholarly journals CHARGED PARTICLES WITH SPIN IN A GRAVITATIONAL WAVE AND A UNIFORM MAGNETIC FIELD

2006 ◽  
Vol 15 (01) ◽  
pp. 121-130 ◽  
Author(s):  
MORTEZA MOHSENI
Keyword(s):  
Magnetic Field ◽  
Charged Particle ◽  
Gravitational Wave ◽  
Uniform Magnetic Field ◽  
Charged Particles ◽  
Space Time ◽  
Pp Wave

We study the motion of a pseudo-classical charged particle with spin in the space–time of a gravitational pp wave in the presence of a uniform magnetic field.

Magnon photon coupling for magnetization antiparallel to the magnetic field

2021 ◽  
Vol 103 (10) ◽  
Author(s):  
Y. Xiao ◽  
X. H. Yan ◽  
L. H. Bai ◽  
H. Guo ◽  
C. M. Hu ◽  
...  
Keyword(s):  
Magnetic Field ◽  
The Magnetic Field ◽  
Photon Coupling

Magnetic-field dependence of the exciton-photon coupling in structured photonic cavities

1999 ◽  
Vol 60 (15) ◽  
pp. 10695-10698 ◽  
Author(s):  
S. N. Walck ◽  
T. L. Reinecke ◽  
M. Bayer ◽  
T. Gutbrod ◽  
J. P. Reithmaier ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Field Dependence ◽  
Magnetic Field Dependence ◽  
Photonic Cavities ◽  
Photon Coupling

Quantum entanglement between two antiferromagnets in the microcavities

2021 ◽  
Author(s):  
Xiaoxiao Yang ◽  
Tiejun Wang ◽  
Chuan Wang
Keyword(s):  
Magnetic Field ◽  
Quantum System ◽  
Quantum Systems ◽  
Bias Magnetic Field ◽  
Information Process ◽  
System Parameters ◽  
Experimental Parameters ◽  
Coupling Rate ◽  
Hybrid Quantum System ◽  
Photon Coupling

Abstract Mangons are newly developed as the qubits for quantum storage and information process. Here in this work, we focus on a hybrid quantum system containing two antiferromagnets, and the entanglement between magnons in the antiferromagnets could be generated through the strong coupling mediated by the same microwave mode. Moreover, we numerically simulated the process with the feasible parameters. And the influence of the system parameters, such as the magnon-photon coupling rate, the detuning, the bias magnetic field and the dissipation on the entanglement are discussed. By adjusting some of the experimental parameters, we show that two antiferromagnets can produce a large entanglement, which is a result that has not been found in other quantum systems before. Our findings may provide a potential platform for the completion of related quantum tasks in the future.

Magnetic-field strengths from optical polarization data

1967 ◽  
Vol 31 ◽  
pp. 381-383
Author(s):  
J. M. Greenberg
Keyword(s):  
Magnetic Field ◽  
Optical Polarization ◽  
Polarization Data ◽  
Term Model ◽  
Source Of Information ◽  
Field Strengths

Van de Hulst (Paper 64, Table 1) has marked optical polarization as a questionable or marginal source of information concerning magnetic field strengths. Rather than arguing about this–I should rate this method asq+-, or quarrelling about the term ‘model-sensitive results’, I wish to stress the historical point that as recently as two years ago there were still some who questioned that optical polarization was definitely due to magnetically-oriented interstellar particles.

Observing the galactic magnetic field

1967 ◽  
Vol 31 ◽  
pp. 375-380
Author(s):  
H. C. van de Hulst
Keyword(s):  
Magnetic Field ◽  
Fair Agreement ◽  
Solar Neighbourhood ◽  
Galactic Magnetic Field ◽  
The Magnetic Field

Various methods of observing the galactic magnetic field are reviewed, and their results summarized. There is fair agreement about the direction of the magnetic field in the solar neighbourhood:l= 50° to 80°; the strength of the field in the disk is of the order of 10-5gauss.

Structure in the radiation of the galactic disk

1967 ◽  
Vol 31 ◽  
pp. 355-356
Author(s):  
R. D. Davies
Keyword(s):  
Magnetic Field ◽  
Galactic Disk ◽  
Galactic Magnetic Field ◽  
Measured Polarization

Observations at various frequencies between 136 and 1400 MHz indicate a considerable amount of structure in the galactic disk. This result appears consistent both with measured polarization percentages and with considerations of the strength of the galactic magnetic field.

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