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Results tagged with string-theory
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user 207735
A class of theories that attempt to explain all existing particles (including force carriers) as vibrational modes of extended objects, such as the 1-dimensional fundamental string. PLEASE DO NOT USE THIS TAG for non-relativistic material strings, such as, e.g., a guitar string.
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Two-dimensional bosonic field theory
I'm struggeling with the following question:
Consider a two-dimensional bosonic field theory defined by the following action
$$S =\frac{k}{2} \int dx_{1}dx_2 [(∂x_1 φ(x_1, x_2))^2 + (∂x_2 φ(x_1 …
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