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A Unified Theory of Non-Linear Electrodynamics and Gravity
Unified Theory Non-Linear Electrodynamics Gravity
2010/12/20
We describe a class of unified theories of electromagnetism and gravity. The Lagrangian is of the BF type, with a potential for the B-field, the gauge group is U(2) (complexified).
Ultrafast Linear Kinetic Inductive Photoresponse of YBa2Cu3O7-δ Meander-Line Structures by Photoimpedance Measurements
Ultrafast Linear Kinetic Inductive Photoresponse YBa2Cu3O7-δ Meander-Line Structures Photoimpedance Measurements
2010/11/16
We report the experimental demonstration of linear kinetic-inductive photoresponse of thin-film YBa2Cu3O7-{\delta} (YBCO) meander-line structures, where the photoresponse amplitude, full-width-half-m...
Time-optimal CNOT between indirectly coupled qubits in a linear Ising chain
Time-optimal CNOT indirectly coupled qubits linear Ising chain
2010/10/21
We give analytical solutions for the time-optimal synthesis of entangling gates between indirectly coupled qubits 1 and 3 in a linear spin chain of three qubits subject to an Ising Hamiltonian interac...
On Duffin-Kemmer-Petiau particles with a mixed minimal-nonminimal vector coupling and the nondegenerate bound states for the one-dimensional inversely linear background
Duffin-Kemmer-Petiau theory nonminimal coupling Klein’s paradox hydrogen atom
2010/10/27
The problem of spin-0 and spin-1 bosons in the background of a general mixing of minimal and
nonminimal vector inversely linear potentials is explored in a unified way in the context of the Duffin-Ke...
The spin dynamics of molecular magnets beyond Kubo's linear response theory
nanomagnets spin dynamics Kubo response theory perturbation theory
2010/7/8
The description of quantum dynamics of nanomagnets is a central issue in most applications proposed for those systems. In this paper, we put forward a modified perturbation approach to study the spin ...
A Theoretical Model for the Non-linear Susceptibility of the Antiferromagnetic Systems
Antiferromagnetism AC -- Susceptibility
2010/4/15
In this study, we have developed a general theoretical model, based upon the simple mean field model of N\'{e}el, for the non-linear response of an antiferromagnetic system. The results indicate that ...