Quantum effects of stringy and membranic nature for the swimming of micro-organisms in a fluid

Details Quantum effects of stringy and membranic nature for the swimming of micro-organisms in a fluid Quantum effects of stringy and membranic nature for the swimming of micro-organisms in a fluid

1995-11-24

arxiv.org/abs/hep-th/9511167v2

Int.J.Mod.Phys.A11:5569-5586,1996

Physics

High Energy Physics

High Energy Physics - Theory

Latex file, 16pp

Scientific paper

10.1142/S0217751X96002558

The static potential is investigated in string and membrane theories coupled to $U(1)$ gauge fields (specifically, external magnetic fields) and with antisymmetric tensor fields. The explicit dependence of the potential on the shape of the extended objects is obtained, including a careful calculation of the quantum effects. Noting the features which are common to the dynamics of strings and membranes moving in background fields and to the swimming of micro-organisms in a fluid, the latter problem is studied. The Casimir energy of a micro-organism is estimated, taking into account the quantum effects and the backreaction from the outside fluid. The static potential is investigated in string and membrane theories coupled to $U(1)$ gauge fields (specifically, external magnetic fields) and with antisymmetric tensor fields. The explicit dependence of the potential on the shape of the extended objects is obtained, including a careful calculation of the quantum effects. Noting the features which are common to the dynamics of strings and membranes moving in background fields and to the swimming of micro-organisms in a fluid, the latter problem is studied. The Casimir energy of a micro-organism is estimated, taking into account the quantum effects and the backreaction from the outside fluid.

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