Holographic Gravity and the Surface term in the Einstein
... action functional describing gravity will now depend on variables defined on the boundary of this region. Since the horizon (and associated boundaries) may exist for some observers (e.g., uniformly accelerated observers in flat spacetime, r = constant > 2M observers in the Schwarzschild spacetime .. ...
... action functional describing gravity will now depend on variables defined on the boundary of this region. Since the horizon (and associated boundaries) may exist for some observers (e.g., uniformly accelerated observers in flat spacetime, r = constant > 2M observers in the Schwarzschild spacetime .. ...
Research Project Quantum Physics
... Research project ‘Quantum Physics’ by Josha Box – November 2nd, 2010 ...
... Research project ‘Quantum Physics’ by Josha Box – November 2nd, 2010 ...
SYMMETRIES IN PHYSICS: Philosophical Reflections
... theme/concern here is whether and, if so, how we are to reconcile the canonical view of gauge invariance as relating to a non-physical, formal redundancy in theory with the general belief that gauge symmetry is in fact of some deep physical significance. 2 The ‘Century of Symmetry’ 2.1 Groups, invari ...
... theme/concern here is whether and, if so, how we are to reconcile the canonical view of gauge invariance as relating to a non-physical, formal redundancy in theory with the general belief that gauge symmetry is in fact of some deep physical significance. 2 The ‘Century of Symmetry’ 2.1 Groups, invari ...
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... In this review article, we have described the idea of Kerr/CFT correspondence, both for the extremal and non extremal cases. Some basic materials on Kerr black holes in general relativity, as well as the corresponding thermodynamical aspects, and also some concepts in conformal field theory are prov ...
... In this review article, we have described the idea of Kerr/CFT correspondence, both for the extremal and non extremal cases. Some basic materials on Kerr black holes in general relativity, as well as the corresponding thermodynamical aspects, and also some concepts in conformal field theory are prov ...
Theory and simulation of polar and nonpolar polarizable fluids
... a nonlinear theory which gives better agreement with simulation than the MSA approximation.22-24 In polar fluids the major contribution to the dielectric constant comes from the permanent dipoles. In this paper we study both kinds of fluids. In fluids containing polar molecules that are also polariz ...
... a nonlinear theory which gives better agreement with simulation than the MSA approximation.22-24 In polar fluids the major contribution to the dielectric constant comes from the permanent dipoles. In this paper we study both kinds of fluids. In fluids containing polar molecules that are also polariz ...
Spontaneous emission of an atom in front of a mirror
... where intrinsic memory effects cannot be neglected anymore. In contrast to this we present here an alternative study with a full three-dimensional treatment of the free radiation field where delay time effects are considered negligible. Nevertheless, same qualitative effects resulting from the prese ...
... where intrinsic memory effects cannot be neglected anymore. In contrast to this we present here an alternative study with a full three-dimensional treatment of the free radiation field where delay time effects are considered negligible. Nevertheless, same qualitative effects resulting from the prese ...
Lab 6: Complex Electrical Circuits
... You were first introduced to the field concept with the gravitational field. Gravity, you remember, is not a force that acts when two objects touch. It is a force that seems to act over a distance. Physicists have never been happy with the idea of “action-at-a-distance.” Rather, they prefer to think ...
... You were first introduced to the field concept with the gravitational field. Gravity, you remember, is not a force that acts when two objects touch. It is a force that seems to act over a distance. Physicists have never been happy with the idea of “action-at-a-distance.” Rather, they prefer to think ...
Cosmological constant and vacuum energy
... the symmetries of the relativistic QFT: these symmetries (Lorentz and gauge invariance, supersymmetry, etc.) still did not help us to nullify the vacuum energy). That is why to find these principles we can look at the quantum vacua whose microscopic structure is well known at least in principle. Th ...
... the symmetries of the relativistic QFT: these symmetries (Lorentz and gauge invariance, supersymmetry, etc.) still did not help us to nullify the vacuum energy). That is why to find these principles we can look at the quantum vacua whose microscopic structure is well known at least in principle. Th ...
Development of semi-classical and quantum tools for the
... smaller and faster devices. Therefore, the simulations tools needed to be able, to understand the behavior of emerging electron devices and to improve them, have to be reinvented for each new generation of devices. The International Technology Roadmap for Semiconductors predicts that, in ten years, ...
... smaller and faster devices. Therefore, the simulations tools needed to be able, to understand the behavior of emerging electron devices and to improve them, have to be reinvented for each new generation of devices. The International Technology Roadmap for Semiconductors predicts that, in ten years, ...
UNIVERSITY OF CALICUT (Abstract)
... UNIT I : The Foundations of Quantum Mechanics (9 h) Historical background of quantum mechanics. Detailed discussion of postulates of quantum mechanics – State function or wave function postulate, Born interpretation of the wave function, well behaved functions, orthonormality of wave functions; Oper ...
... UNIT I : The Foundations of Quantum Mechanics (9 h) Historical background of quantum mechanics. Detailed discussion of postulates of quantum mechanics – State function or wave function postulate, Born interpretation of the wave function, well behaved functions, orthonormality of wave functions; Oper ...
Intermediate-coupling calculations of the effects of interacting resonances
... continuum @Phys. Rev. Lett. 80, 1402 ~1998!#. However, these calculations were carried out in a configurationaverage ~CA! approximation and the question then remained as to how these predicted reductions might be affected when one removes the degeneracy inherent in the CA approximation and includes ...
... continuum @Phys. Rev. Lett. 80, 1402 ~1998!#. However, these calculations were carried out in a configurationaverage ~CA! approximation and the question then remained as to how these predicted reductions might be affected when one removes the degeneracy inherent in the CA approximation and includes ...
Quantum and Semiclassical Theories of Chemical Reaction Rates
... Considerable progress has been made in recent year^^'^ in learning how to alculate the CRP more directly than via Eq. (1-1), i.e., without having to solve explicitly for the S-matrix, yet still correctly, Le., without any inherent approximations. It is still necessary to determine the quantum dynami ...
... Considerable progress has been made in recent year^^'^ in learning how to alculate the CRP more directly than via Eq. (1-1), i.e., without having to solve explicitly for the S-matrix, yet still correctly, Le., without any inherent approximations. It is still necessary to determine the quantum dynami ...
Microscopic quantum coherence in a photosynthetic-light
... observation of dynamical processes in complex chemical and biological systems. Recently, techniques of two-dimensional electronic spectroscopy [4] have been applied to explore photosynthetic-light-harvesting complexes and revealed the existence of long-lived quantum coherence among the electronic ex ...
... observation of dynamical processes in complex chemical and biological systems. Recently, techniques of two-dimensional electronic spectroscopy [4] have been applied to explore photosynthetic-light-harvesting complexes and revealed the existence of long-lived quantum coherence among the electronic ex ...
