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22 papers · 2 filters
Quantum effects of stringy and membranic nature for the swimming of micro-organisms in a fluid
E. Elizalde, M. Kawamura, S. Nojiri +2
The static potential is investigated in string and membrane theories coupled to gauge fields (specifically, external magnetic fields) and with antisymmetric tensor fields. T…
Exact renormalization group study of fermionic theories
Jordi Comellas, Yuri Kubyshin, Enrique Moreno
The exact renormalization group approach (ERG) is developed for the case of pure fermionic theories by deriving a Grassmann version of the ERG equation and applying it to the study…
Mode dependent field renormalization and triviality
Rolf Tarrach
We critically analyze the introduction of an independent zero momentum mode field renormalization for Phi4. It leads to an infrared divergent effective action. It does not achieve…
Dilatonic gravity near two dimensions as a string theory
E. Elizalde, S. D. Odintsov
Using the renormalization-group formalism, a sigma model of a special type- in which the metric and the dilaton depend explicitly on one of the string coordinates only-is investiga…
The regulated four parameter one dimensional point interaction
J. M. Roman, R. Tarrach
The general four parameter point interaction in one dimensional quantum mechanics is regulated. It allows the exact solution, but not the perturbative one. We conjecture that this…
One Loop Anomalies and Wess-Zumino Terms for General Gauge Theories
J. Gomis, K. Kamimura, J. M. Pons +1
One loop anomalies and their dependence on antifields for general gauge theories are investigated within a Pauli-Villars regularization scheme. For on-shell theories {\it i.e.}, wi…