KMI Theory Seminar
"Hawking Radiation, Tunneling Method and Quantum Thermometers"
Sergio Zerbini
(Physics Department, Trento University, Italy)
February 7, 2012 (Tue) 16:30-
KMI Science Symposia (ES635)
Abstract:
After a short review of derivation of Hawking radiation by the
tunneling method, a quantum field theoretical approach, in which
a quantum probe is used to unveil the intrinsic temperature
associated with stationary space-times with horizons is
presented. The probe is identified with a conformally coupled
massless scalar field defined on a space-time with horizon and
the procedure to measure the local temperature is realized by
the use of Unruh-DeWitt detector. Another proposal to determine
local temperature, due to Buchholz is also considered.
After a short review of derivation of Hawking radiation by the
tunneling method, a quantum field theoretical approach, in which
a quantum probe is used to unveil the intrinsic temperature
associated with stationary space-times with horizons is
presented. The probe is identified with a conformally coupled
massless scalar field defined on a space-time with horizon and
the procedure to measure the local temperature is realized by
the use of Unruh-DeWitt detector. Another proposal to determine
local temperature, due to Buchholz is also considered.