Quantitative MRI by nonlinear inversion of the Bloch equations
Sign Up to like & getrecommendations! Published in 2022 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.29664
Abstract: Development of a generic model‐based reconstruction framework for multiparametric quantitative MRI that can be used with data from different pulse sequences. read more here.
Keywords: quantitative mri; nonlinear inversion; mri nonlinear; inversion bloch ... See more keywords
Stochastic optical Bloch equations in complex system with vibronic coupling: Use of Novikov’s theorem
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2020.138000
Abstract: Abstract We analyze the statistical averages over a set of realizations of the random variable in the Stochastic Optical Bloch equations, using Novikov's sufficient condition theorem. We consider a system on an adiabatic basis interacting… read more here.
Keywords: system; stochastic optical; theorem; optical bloch ... See more keywords
Few-cycle solitons of an integrable generalization of the reduced Maxwell-Bloch equations
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DOI: 10.1103/physreva.100.053807
Abstract: The physical generalization of the system of the reduced Maxwell-Bloch equations describing the nonlinear interaction of the laser pulses with the multilevel quantum medium is obtained without using the slowly varying envelope approximation. It is… read more here.
Keywords: generalization; reduced maxwell; cycle solitons; bloch equations ... See more keywords
Semiconductor Bloch-equations formalism: Derivation and application to high-harmonic generation from Dirac fermions
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DOI: 10.1103/physrevb.103.125419
Abstract: We rederive the semiconductor Bloch equations emphasizing the close link to the Berry connection. Our rigorous derivation reveals the existence of two further contributions to the current, in addition to the frequently considered intraband and… read more here.
Keywords: harmonic generation; high harmonic; semiconductor bloch; generation dirac ... See more keywords
Exact Solutions of the Bloch Equations to the Asymmetric Hyperbolic Cosine Pulse with Chirped Frequency
Sign Up to like & getrecommendations! Published in 2023 at "Mathematics"
DOI: 10.3390/math11092159
Abstract: In this research study, we derive the exact solutions of the Bloch equations describing the dynamics of a two-level atom with dephasing. In the two-level atom, a strong laser pump couples a ground state to… read more here.
Keywords: solutions bloch; frequency; asymmetric hyperbolic; exact solutions ... See more keywords