the Leiden Institute of Physics (LION) of Universiteit Leiden. My coordinates:
General area: Condensed Matter Theory and Statistical Physics
* PRL2009: My shortest-title-ever paper: Feshbach-Einstein condensates. Using a new numerical quantum Monte Carlo algorithm we study condensed phases of mixtures of ultracold atoms and molecules created via Feshbach-resonance interaction. We find a new quantum phase: the super-Mott phase, which has characteristics of both superfluids and (Mott) insulators. We also find opportunity to dissociate the name Bose from atomic and molecular condensates (appropriate since Bose never envisioned this possibility); published in Phys. Rev. Lett. 102, 015301 (2009); also available as e-print cond-mat/0810.3763; authors: Valéry Rousseau and PJHD (Univ. Leiden, NL). * PRL2005: on the visibility of absorption images as obtained from ultracold bosonic atoms in their superfluid and Mott-insulating phases; the observed, but unexplained, kinks in experiment are also found in our numerical simulations and are now better understood; published in Phys. Rev. Lett. 95, 220402 (2005); also available as e-print cond-mat/0509560; authors: Pinaki Sengupta (UC Riverside, USA), Marcos Rigol (UC Davis, USA), George Batrouni (INLN, Nice, France), PJHD (Univ. Leiden, NL), and Richard Scalettar (UC Davis, USA). * PRL2004: on what happens if a cold, dilute Bose gas is confined to one spatial dimension (e.g. by using lasers) and the repulsive interaction between bosons gets very large; the bosons become almost like fermions, but not quite! This new state of quantum matter is called a Tonks-Girardeau gas; published in Phys. Rev. Lett. 93, 210401 (2004); also available as e-print cond-mat/0408596; authors: Lode Pollet, Stefan Rombouts (Univ. Gent, Belgium) and PJHD (Univ. Leiden, NL). * PRL2003: on the effect of a Zeeman magnetic field (coupling just to spin, not orbit of electrons) on a two-dimensional disordered electronic system; published in Phys. Rev. Lett. 90, 246401 (2003); also available as e-print cond-mat/0302576; co-author: Richard Scalettar (UC Davis, USA).
* PRL2001: on the role of symmetry in the effect of disorder on the Mott-Hubbard insulator; published in Phys. Rev. Lett. 87, 146401 (2001); also available as e-print cond-mat/0106204; co-authors: Richard Scalettar (UC Davis, USA) and Nandini Trivedi (Tata Institute, Mumbai, India). * PRL1999: on the possibility of a metal to insulator transition in a two-dimensional interacting disordered electronic system; published in Phys. Rev. Lett. 83, 4610-4613 (1999); also available as e-print cond-mat/9907246; co-authors: Richard Scalettar (UC Davis, USA) and Nandini Trivedi (Tata Institute, Mumbai, India). * Full list of my publications and writings (text). * Top-10 of my most-cited publications (text). * Top-10 of my most-frequent co-authors (text). * Promo for prospective master thesis students (text and picture).
Het college wordt gegeven door 4 verschillende docenten: In de regel wordt van 11:15-13u college gegeven en van 13:45-14:30u een opgaven/discussie sessie gehouden. Nadere informatie en details worden gegeven via het Blackboard systeem.
* College Quantummechanica 2 (voorjaar 2010): alle informatie wordt gegeven via het blackboard systeem.* Colleges verzorgd in eerdere jaren:
* Course Quantum Theory (Fall 2009): Text books and course description*** !! Latest news Quantum Theory!! ***
(Sept.30, 2009) The tentative date for the exam is Friday Jan.15, 2010 (place and time will be announced later). (Sept.29, 2009) The hand-in problem of problem set 2 (see below) is Problem 10. (Sept.22, 2009) Problem set 2 is posted (below); hand-in problem to be announced later; Problems 8 to 10 can be done with the material discussed in the first 3 lectures (up to page 109 of Le Bellac), the others after lecture 4 of Sept.29. (Sept.15, 2009) The hand-in problem of the first problem session (see below) is Problem 7. Your worked-out solution to the hand-in problem can be put in the mailbox of the teaching assistant, Jörn Venderbos, in room Oort 253. The deadline is the Tuesday in the week after the problem session. Your corrected work will generally be available at the next problem session. (Sept.8, 2009) The first set of problems is posted below; you can start already! (July 14, 2009) First problem session QT: Tuesday Sept. 15, 2009, in HL204 (13:45-15:30h) (July 14, 2009) First lecture QT: Tuesday Sept. 8, 2009, in HL204 (11.15-13h)
(July 14, 2009) The course Quantum Theory in Fall 2009 will resemble that of Fall 2008
(see below), but will differ in details. ******************************************************************************** *** Problem Sessions Quantum Theory *** (Tuesday, 13:45-15:30h, HL204)
* Lecture courses in previous years: 2001/2002 , 2006/2007, 2007/2008, 2008/2009
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