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- Thread starter WannabeNewton
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In summary, the conversation discusses the problem of computing the entanglement entropy of two CFTs in the thermofield double state on identical finite intervals in 1+1 dimensions. The Euclidean path integral is equivalent to computing the 2-point twist correlator on a torus. The question is whether there is a reference that computes this in the ##c\rightarrow \infty## limit without using holography, specifically without going to the thermal AdS saddle point and using Ryu-Takayanagi. One person mentions a paper that calculates it using Ryu-Takayanagi but it is not confirmed by another means. Another person is working on the holographic calculation but is interested in seeing if the CFT calculation is possible

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atyy

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The Large-c Limit refers to a limit in which the central charge of a conformal field theory (CFT) becomes infinitely large. This limit is useful for studying CFTs because it simplifies the calculations and allows for the use of powerful analytical techniques.

Entanglement entropy measures the amount of entanglement between two regions in a quantum system. In CFTs, it is a measure of the correlations between two regions of space separated by a boundary. It is a useful tool for understanding the structure and properties of CFTs.

In CFTs, entanglement entropy can be computed using the replica trick, which involves taking multiple copies of the system and then analytically continuing the number of copies to a non-integer value. This allows for the calculation of entanglement entropy using well-established techniques from statistical mechanics.

Computing entanglement entropy in the Large-c Limit allows for a better understanding of the behavior of CFTs in this simplified limit. It can also provide insights into the properties of quantum field theories in general, as CFTs are powerful tools for studying quantum systems.

Yes, there are several applications of computing entanglement entropy in the Large-c Limit. It can be used to study the dynamics of quantum systems, as well as to calculate the entanglement between different regions of space in various physical systems. It also has implications for quantum information and black hole physics.

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