Coherent States in Gravitational Quantum Mechanics

Details Coherent States in Gravitational Quantum Mechanics Coherent States in Gravitational Quantum Mechanics

2012-04-06

arxiv.org/abs/1204.1524v1

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 4 figures

Scientific paper

We present the coherent states of the harmonic oscillator in the framework of the generalized (gravitational) uncertainty principle (GUP). This form of GUP is consistent with various theories of quantum gravity such as string theory, loop quantum gravity, and black-hole physics and implies a minimal measurable length. Using a recently proposed formally self-adjoint representation, we find the GUP-corrected Hamiltonian as a generator of the generalized Heisenberg algebra. Then following Klauder's approach, we construct exact coherent states and obtain the corresponding normalization coefficients, weight functions, and probability distributions. We find the entropy of the system and show that this quantity decreases in the presence of the minimal length.

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