|Quantum Computers and Rydberg atoms by Denis Tretyakov||Wednesday, December 17, 2008, 13:00, F219 aditorium|
|High resolution spectroscopy of alkali dimers in LU Laser Center by Olga Docenko (Laser centre of the University of Latvia)||Wednesday, December 10, 2008, 13:00, F219 aditorium|
|Electromagnetically Induced Transparency on the second resonance line of Potassium and Cesium by Aigars Atvars and Andrejs Jarmola||Wednesday, December 3, 2008, 13:00, F219 aditorium|
|Computer control of laboratory equipment using LabView by Dr. Asparuh Markovski||Wednesday, November 26, 2008, 13:00, F219 aditorium|
|Advanced model for magneto-optical effects in Rubidium and Cesium Vapor by Aigars Atvars||Wednesday, November 19, 2008, 13:00, F219 aditorium|
|Some physical principles of the fine structure of X-ray absorption by Janis Timoshenko||Wednesday, November 12, 2008, 13:00, F219 aditorium|
|Coherent population trapping in quantum dots by Vjaceslavs Kascheyevs and Aigars Atvars||Wednesday, November 5, 2008, 13:00, F219 aditorium|
|Entangled photons from a quantum dot by Prof. Joseph Avron (Technion, Haifa, Israel)||Wednesday, October 29, 2008, 13:00, 235. auditorium|
Entanglement is an important resource of quantum information theory. At present there are no sources for entangled photons that are non-probabilistic and emit entangled pairs "on demand". In the seminar I shall describe some of the hurdles and some of the proposed strategies for overcoming them with quantum dots. I shall explain what is the "which path information" and why it is the nemesis of entanglement and describe methods for easing this information.
Home page of Prof. Yosi Avron: http://physics.technion.ac.il/~avron/
|Cooling and Trapping of Neutral Atoms by Martins Bruvelis (Laser Centre of the University of Latvia)||Wednesday, October 22, 2008, 13:00, F219 aditorium|
|One way optical barriers for neutral atoms by Linards Kalvāns (Laser Centre of the University of Latvia)||Wednesday, September 10, 2008, 13:00, F219, Zellu 8|
|Fraiburgas Universitāte, Šveice by Prof. Antoine Weis (Fraiburgas Universitāte, Šveice)||Wednesday, May 21, 2008, 16:30, 233. auditorijā Fizikas un matemātikas fakultātē Zeļļu ielā 8|
The role of symmetries in physics will be introduced with special emphasis on two particular discrete symmetries, viz., the parity operation, P, which inverts spatial coordinates and the time reversal operation, T, which reverses the arrow of time.
|Electron Microscopy of Atomic Resolution by Prof. Hans-Joachim Fitting (Rostokas Universitātes Fizikas Institūts, Vācijā)||Wednesday, April 2, 2008, 17:30, 233. auditorija Fizikas un matemātikas fakultātē Zeļļu ielā 8|
1933 the German engineer of electrotechnics (!) and then physicist at the TU Berlin Ernst Ruska built the first electron microscope which exceeded in its resolution already the common light microscopes. But very late, 1986, he was awarded the Nobel Prize, together with the discoverer of the Scanning Tunneling Microscopy – STM. Meanwhile, both these techniques have been so advanced that single atoms can be made visible, i.e. a resolution power of the sub-angstroem range (less than 0.1nm) is reached, about 3000 times better than the best light microscopes. The lecture will show basic components and results of the Transmission– and Scanning Transmission Electron Microscopes : TEM and STEM.
No plkst.17:15 kolokvija dalībniekus gaidīs kafija ar cepumiem.