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- Stockholm UniversitySE70 papers
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5 papers · 1 filter
Exact solutions for U(1) globally invariant membranes
M. Trzetrzelewski, A. A. Zheltukhin
The exact solvability problem of the nonlinear equations describing the U(1) invariant membranes is studied and the general solution for the static membrane in D=2N+1-dimensional M…
Anti-de Sitter Quotients, Bubbles of Nothing, and Black Holes
Jan E. Aman, Stefan Aminneborg, Ingemar Bengtsson +1
In 3+1 dimensions there are anti-de quotients which are black holes with toroidal event horizons. By analytic continuation of the Schwarzschild-anti-de Sitter solution (and appropr…
On Geometro-thermodynamics of Dilaton Black Holes
Jan E. Aman, Narit Pidokrajt, John Ward
In this talk we present the latest results from our ongoing project on geometro-thermodynamics (also known as information geometry of thermodynamics or Ruppeiner geometry) of dilat…
Effective Action in a General Chiral Model: Next to Leading Order Derivative Expansion in the Worldline Method
Andres Hernandez, Thomas Konstandin, Michael G. Schmidt
We present a formalism to determine the imaginary part of a general chiral model in the derivative expansion. Our formalism is based on the worldline path integral for the covarian…
Unification of twistors and Ramond vectors
A. A. Zheltukhin
We generalize the idea of supertwistors and introduce a new supersymmetric object - the -twistor which includes the composite Ramond vector [11] well known from the spinning str…