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We show that an imaginary magnetic field (IMF), which can be generated in non-Hermitian systems with spin-dependent dissipations, can greatly enhance the s-wave pairing and superfluidity of spin-1/2 fermions, in distinct contrast to the effect of a real magnetic field. The enhancement can be attributed to the increased coupling constant in low-energy space and the reduced spin gap in forming singlet pairs. We have demonstrated this effect in a number of different fermion systems with and without spin-orbit coupling, using both the two-body exact solution and many-body mean-field theory. Our results suggest an alternative route toward strong fermion superfluid with high superfluid transition temperature.
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We argue that a correlated fluid of electrons and holes can exhibit a fractional quantum Hall effect at zero magnetic field analogous to the Laughlin state at filling 1/m. We introduce a variant of th...
Cooper pairing caused by an induced interaction represents a paradigm in our description of fermionic superfluidity. Here, we present a strong coupling theory for the critical temperature of p-wave pa...
By self-consistently solving the Bogoliubov-de Gennes equations, we investigate the superconductivity, the magnetization and the local density-of-state (DOS) of the Ising superconductor. The calculati...
Multiwall carbon nanotubes (MWCNTs) fabricated by chemical vapor deposition contain magnetic nanoparticles. While increasing frequency of electromagnetic field (EMF) exposure (up to 10 kHz) containe...
The present review summarizes the recent studies on the thermodynamic properties of pairing in many-body systems including superconductors, metallic nanosized clusters and/or grains, solid-state mater...
The protocol involves functional Magnetic Resonance Imaging and Magnetic Resonance Spectroscopy acquisitions immediately before and after Low Field Magnetic Stimulation treatment on two se...
This observational study was designed to explore the clinical effect of magnetic field modulation system on insomnia patients and provide a new solution for insomnia treatment.
RATIONALE: New diagnostic procedures, such as 3 Tesla magnetic resonance imaging (MRI), may help find bladder cancer and learn the extent of disease. PURPOSE: This clinical trial is study...
Magnetic resonance imaging (MRI) is a diagnostic study that makes pictures of organs of the body using magnetic field and radio frequency pulses that can not be felt. Dynamic contrast enha...
The purpose of this study is to determine whether a pulsed magnetic field (PMF) pad will improve symptoms of rheumatoid arthritis (RA) in postmenopausal women. Study hypothesis: A pulsed ...
Pairing of purine and pyrimidine bases by HYDROGEN BONDING in double-stranded DNA or RNA.
A technique applicable to the wide variety of substances which exhibit paramagnetism because of the magnetic moments of unpaired electrons. The spectra are useful for detection and identification, for determination of electron structure, for study of interactions between molecules, and for measurement of nuclear spins and moments. (From McGraw-Hill Encyclopedia of Science and Technology, 7th edition) Electron nuclear double resonance (ENDOR) spectroscopy is a variant of the technique which can give enhanced resolution. Electron spin resonance analysis can now be used in vivo, including imaging applications such as MAGNETIC RESONANCE IMAGING.
The alignment of CHROMOSOMES at homologous sequences.
Devices for accelerating charged particles in a spiral path by a constant-frequency alternating electric field. This electric field is synchronized with the movement of the particles in a constant magnetic field.
Substances used to allow enhanced visualization of tissues.