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KodairaSpencer theory of gravity and exact results for quantum string amplitudes
 Commun. Math. Phys
, 1994
"... We develop techniques to compute higher loop string amplitudes for twisted N = 2 theories with ĉ = 3 (i.e. the critical case). An important ingredient is the discovery of an anomaly at every genus in decoupling of BRST trivial states, captured to all orders by a master anomaly equation. In a particu ..."
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Cited by 539 (59 self)
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particular realization of the N = 2 theories, the resulting string field theory is equivalent to a topological theory in six dimensions, the Kodaira– Spencer theory, which may be viewed as the closed string analog of the Chern–Simon theory. Using the mirror map this leads to computation of the ‘number
Exact Results for
, 2004
"... We consider timedependent Gaussian wave packet solutions of the Schrödinger equation (with arbitrary initial central position, x0, and momentum, p0, for an otherwise free particle, but with an infinite wall at x = 0, socalled bouncing wave packets.We showhowdifference ormirror solutions of the fo ..."
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of the form(x, t) − (−x, t) can, in this case, be normalized exactly, allowing for the evaluation of a number of timedependent expectation values and other quantities in closed form. For example, we calculate 〈p2〉t explicitly which illustrates how the freeparticle kinetic (and hence total) energy
Exact results
, 2008
"... Nonequilibrium Kondo problem with spindependent chemical potentials: ..."
Exact Results Versus Anomalies
"... We investigate nonperturbative effects in the N=1 SUSY YangMills theory with matter using a relation between perturbative and exact anomalies as a starting point. We show, that the superpotential is always generated by instantons and should contain gluino condensate. The exact expression for the sup ..."
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for the superpotential is found. 1 Introduction One of the most interesting QFT problem is the investigation of nonperturbative dynamics. It is well known [1, 2], that except for perturbative corrections there is a series of instanton contributions. The first exact nonperturbative result was found in [3] for N=2 Yang
problem and some exact results
, 1983
"... View the table of contents for this issue, or go to the journal homepage for more ..."
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View the table of contents for this issue, or go to the journal homepage for more
CONFORMALLY EXACT RESULTS FOR
, 1992
"... Using the conformal invariance of the SL(2, IR) ⊗ SO(1, 1) d−2 /SO(1, 1) coset models we calculate the conformally exact metric and dilaton, to all orders in the 1/k expansion. We consider both vector and axial gauging. We find that these cosets represent two different space–time geometries: (2d bl ..."
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Using the conformal invariance of the SL(2, IR) ⊗ SO(1, 1) d−2 /SO(1, 1) coset models we calculate the conformally exact metric and dilaton, to all orders in the 1/k expansion. We consider both vector and axial gauging. We find that these cosets represent two different space–time geometries: (2d
Exact Results in Gauge Theories
"... I hereby declare that I am the sole author of this thesis. This is a true copy of the thesis, including any required final revisions, as accepted by my examiners. I understand that my thesis may be made electronically available to the public. iii This thesis is devoted to the study of observables in ..."
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I hereby declare that I am the sole author of this thesis. This is a true copy of the thesis, including any required final revisions, as accepted by my examiners. I understand that my thesis may be made electronically available to the public. iii This thesis is devoted to the study of observables in the four dimensional superconformal N = 4 YangMills theory. We will be focused on the problem of computing higher point correlation functions, scattering amplitudes and Wilson loops. Integrability is the main actor in this context and will allow us to obtain answers that would be inconceivable without it. In the case of correlation function, we will study them in the weak and strong coupling limits separately where integrability possesses different incarnations. For the case of scattering amplitudes and Wilson loops, we provide a nonperturbative solution. v
Results 1  10
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2,373,936