Advances in perturbative thermal field theory - Ultra-relativistic ...
Advances in perturbative thermal field theory - Ultra-relativistic ...
Advances in perturbative thermal field theory - Ultra-relativistic ...
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Thermal <strong>field</strong> <strong>theory</strong> 353<br />
7.8.1. Energetic quarks and transverse gluons 402<br />
7.8.2. Longitud<strong>in</strong>al plasmons 402<br />
8. Resummations beyond HTLs 404<br />
8.1. <strong>Ultra</strong>soft amplitudes 404<br />
8.2. Light-like external momenta 405<br />
8.3. Transport coefficients 406<br />
9. HTLs and gravity 406<br />
9.1. HTL gravitational polarization tensor 407<br />
9.2. Self-consistent cosmological perturbations from <strong>thermal</strong> <strong>field</strong> <strong>theory</strong> 409<br />
9.2.1. Purely collisionless matter 409<br />
9.2.2. Weak self-<strong>in</strong>teractions and HTL resummation 411<br />
10. Conclusions 412<br />
Appendix 413<br />
A. Spectral representation of HTL/HDL propagators 413<br />
A.1. Gauge-boson propagator 413<br />
A.2. Fermion propagator 415<br />
Acknowledgments 416<br />
References 416