Department of Particle Physics and Astrophysics

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Events

Colloquia

October 25, 2018
Edna and K.B. Weissman Building of Physical Sciences
Bose-Einstein condensation of photons
Martin Weitz
Institut für Angewandte Physik, Universität Bonn

Event Information

Title:
Bose-Einstein condensation of photons
Details:
Institut für Angewandte Physik, Universität Bonn 11:00 – coffee, tea, and more
Lecturer:
Martin Weitz
Date:
October 25, 2018
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
Bose-Einstein condensation has been observed in several physical systems, including cold atomic gases, exciton-polaritons, and magnons. Photons usually show no Bose-Einstein con-densation, since for Planck’s blackbody radiation the particle number is not conserved and the photons at low temperatures vanish in the system walls. I here describe experiments with a dye-filled optical microresonator experimentally observing Bose-Einstein condensation of pho-tons. Thermalization is achieved in a number conserving way by repeated absorption re-emission cycles on the dye molecules, and the cavity mirrors provide both an effective photon mass and a confining potential. More recently, we have investigated calorimetric properties of the trapped photon gas, and determined both the heat capacity and the entropy around the phase transition. In other work, we have realized lattice potentials for photons in the dye mi-crocavity. In my talk, I will begin with a general introduction and give an account of current work and future plans of the Bonn photon gas experiment.

Colloquia

November 08, 2018
Physics Colloquium
Clifford M. Will
Uni of Florida

Event Information

Title:
Physics Colloquium
Details:
Uni of Florida11:00 – coffee, tea, and more
Lecturer:
Clifford M. Will
Date:
November 08, 2018
Time:
11:15:00 - 12:30:00
Location:
Abstract:
TBA

Colloquia

November 29, 2018
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Binghai Yan
WIS

Event Information

Title:
Physics Colloquium
Details:
WIS11:00 – coffee, tea, and more
Lecturer:
Binghai Yan
Date:
November 29, 2018
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

December 06, 2018
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Roee Ozeri
WIS

Event Information

Title:
Physics Colloquium
Details:
WIS11:00 – coffee, tea, and more
Lecturer:
Roee Ozeri
Date:
December 06, 2018
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

December 13, 2018
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Ariel Amir
Harvard

Event Information

Title:
Physics Colloquium
Details:
Harvard 11:00 – coffee, tea, and more
Lecturer:
Ariel Amir
Date:
December 13, 2018
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

December 20, 2018
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Daniel Savin
Columbia U.

Event Information

Title:
Physics Colloquium
Details:
Columbia U.11:00 – coffee, tea, and more
Lecturer:
Daniel Savin
Date:
December 20, 2018
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

December 27, 2018
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Nat Fisch
Princeton

Event Information

Title:
Physics Colloquium
Details:
Princeton11:00 – coffee, tea, and more
Lecturer:
Nat Fisch
Date:
December 27, 2018
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences
Abstract:
TBA

Colloquia

January 10, 2019
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Frank C. van den Bosch
Yale

Event Information

Title:
Physics Colloquium
Details:
Yale11:00 – coffee, tea, and more
Lecturer:
Frank C. van den Bosch
Date:
January 10, 2019
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

January 17, 2019
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Jenny Hoffman
Harvard

Event Information

Title:
Physics Colloquium
Details:
Harvard11:00 – coffee, tea, and more
Lecturer:
Jenny Hoffman
Date:
January 17, 2019
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

January 31, 2019
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Charlie Markus
University of Copenhagen

Event Information

Title:
Physics Colloquium
Details:
University of Copenhagen 11:00 – coffee, tea, and more
Lecturer:
Charlie Markus
Date:
January 31, 2019
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

February 14, 2019
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Christian Weinheimer
Muenster

Event Information

Title:
Physics Colloquium
Details:
Muenster11:00 – coffee, tea, and more
Lecturer:
Christian Weinheimer
Date:
February 14, 2019
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

March 07, 2019
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Jason Spyromilio
ESO

Event Information

Title:
Physics Colloquium
Details:
ESO11:00 – coffee, tea, and more
Lecturer:
Jason Spyromilio
Date:
March 07, 2019
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

April 04, 2019
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Andrei bernevig
Princeton

Event Information

Title:
Physics Colloquium
Details:
Princeton11:00 – coffee, tea, and more
Lecturer:
Andrei bernevig
Date:
April 04, 2019
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

April 18, 2019
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Federica Petricca
Max Planck Munich

Event Information

Title:
Physics Colloquium
Details:
Max Planck Munich11:00 – coffee, tea, and more
Lecturer:
Federica Petricca
Date:
April 18, 2019
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA

Colloquia

May 30, 2019
Edna and K.B. Weissman Building of Physical Sciences
Physics Colloquium
Nadya Mason
UIUC

Event Information

Title:
Physics Colloquium
Details:
UIUC11:00 – coffee, tea, and more
Lecturer:
Nadya Mason
Date:
May 30, 2019
Time:
11:15:00 - 12:30:00
Location:
Edna and K.B. Weissman Building of Physical Sciences Auditorium
Abstract:
TBA