Semi-classical dynamical triangulations

TY - JOUR

T1 - Semi-classical dynamical triangulations

AU - Ambjørn, Jan

AU - Budd, Timothy George

PY - 2012/11/15

Y1 - 2012/11/15

N2 - For non-critical string theory the partition function reduces to an integral over moduli space after integrating over matter fields. The moduli integrand is known analytically for genus one surfaces. The formalism of dynamical triangulations provides us with a regularization of non-critical string theory and we show that even for very small triangulations it reproduces very well the continuum integrand when the central charge c of the matter fields is large negative, thus providing a striking example of how the quantum fluctuations of geometry disappear when c→ - ∞.

AB - For non-critical string theory the partition function reduces to an integral over moduli space after integrating over matter fields. The moduli integrand is known analytically for genus one surfaces. The formalism of dynamical triangulations provides us with a regularization of non-critical string theory and we show that even for very small triangulations it reproduces very well the continuum integrand when the central charge c of the matter fields is large negative, thus providing a striking example of how the quantum fluctuations of geometry disappear when c→ - ∞.

U2 - 10.1016/j.physletb.2012.10.012

DO - 10.1016/j.physletb.2012.10.012

M3 - Journal article

SN - 0370-2693

VL - 718

SP - 200

EP - 204

JO - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

JF - Physics Letters B: Particle Physics, Nuclear Physics and Cosmology

IS - 1

ER -