Quantum-limited measurement of magnetic-field gradient with entangled atoms
, 2013 We propose a method to detect the microwave magnetic-field gradient by using a pair of entangled two-component Bose-Einstein condensates. We consider the two spatially separated condensates to be coupled to the two different magnetic fields. The magnetic-
Ng, H. T.
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A model of driven and decaying magnetic turbulence in a cylinder
, 2011 Using mean-field theory, we compute the evolution of the magnetic field in a cylinder with outer perfectly conducting boundaries, an imposed axial magnetic and electric field.
Axel Brandenburg +9 more
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Suppression of quantum chaos in a quantum computer hardware
, 2005 We present numerical and analytical studies of a quantum computer proposed by the Yamamoto group in Phys. Rev. Lett. 89, 017901 (2002). The stable and quantum chaos regimes in the quantum computer hardware are identified as a function of magnetic field ...
C. P. Slichter +8 more
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A Method for Eddy Current Field Measurement in Permanent Magnet Magnetic Resonance Imaging Systems
Chinese Journal of Magnetic Resonance, 2018 Magnetic resonance imaging (MRI) is a widely used medical imaging technique. In MRI system, gradient magnetic fields are used to code spatial information.
SONG Rui, HE Yan-fa, ZHANG Bo
doaj +1 more source
Berry's Phases of Ground States of Interacting Spin-One Bosons: Chains of Monopoles and Monosegments
, 2003 We study Berry's connection potentials of many-body ground states of spin-one bosons with antiferromagnetic interactions in adiabatically varying magnetic fields.
A. Shapere +8 more
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Manipulation of skyrmion motion by magnetic field gradients [PDF]
Nature Communications, 2018 AbstractMagnetic skyrmions are particle-like, topologically protected magnetisation entities that are promising candidates as information carriers in racetrack memory. The transport of skyrmions in a shift-register-like fashion is crucial for their embodiment in practical devices.
S. L. Zhang +8 more
openaire +3 more sources
Determination of nanoparticle force balance in an electrical magnetic separation system
Electrical engineering & Electromechanics, 2014 Analytical expressions for magnetic force gradient computation are given. FEM simulation of the matrix core in the working gap of a magnetic system is conducted. The magnetic force distribution is presented as a relative ratio.
E.E. Volkanin +3 more
doaj
Confinement of two-dimensional excitons in a non-homogeneous magnetic field
, 2000 The effective Hamiltonian describing the motion of an exciton in an external non-homogeneous magnetic field is derived. The magnetic field plays the role of an effective potential for the exciton motion, results into an increment of the exciton mass and ...
Farias, G. A. +4 more
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Magnetic resonance imaging of ultrasound fields: Gradient characteristics [PDF]
Journal of Magnetic Resonance Imaging, 2000 Phase-contrast magnetic resonance imaging (MRI) is used to image particle displacements arising from a 0.515-MHZ focused ultrasound (US) field. The technique used a phase-locked, self-resonant gradient matched to the US frequency in conjunction with a spin-echo sequence to generate phase images of US-induced displacement parallel to the US propagation ...
D B, Plewes +3 more
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Lorentz Force Electrical Impedance Tomography
, 2013 This article describes a method called Lorentz Force Electrical Impedance Tomography. The electrical conductivity of biological tissues can be measured through their sonication in a magnetic field: the vibration of the tissues inside the field induces an
Chapelon, Jean-Yves +3 more
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