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Research Article Open access CC BY 4.0

Particle in a Box with Generalized Uncertainty Principle

Md. Moniruzzaman, Liza Akter

Asian Journal of Research and Reviews in Physics · pp. 25–31 · Published 7 Aug 2023

10.9734/ajr2p/2023/v7i3142

Abstract

The minimal length is a fundamental length for position measurement, although there is no lower bound in ordinary quantum mechanics for the position uncertainty since the minimum value for the uncertainty can be tend to zero. Different theories of quantum gravity, such as string theory, loop quantum gravity, and black hole physics, confirm a minimal observable length. Kempf et al have formulated a generalized uncertainty principle (GUP) by modifying the Heisenberg uncertainty principle to include an appearance of the length in quantum mechanics. In this study, we have found out the influence of the GUP on the particle for its confinement in a 1D potential box and calculated energy eigenvalues. The modified Schrödinger equation for the particle is factorized to be of second order to obtain the eigenvalues in a handy way. The obtained energy levels are modified from the usual result with GUP parameter dependency. The modification in the energy spectrum due to the GUP characterized by the presence of the minimal length has been also explored graphically. 

Minimal length generalized uncertainty principle particle in a box energy spectrum

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Cited by 1

Classical Dynamical Consequences of the Particle in a Uniform Gravitational Field due to Minimal Length

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