logo

korean english

게시판

Home > 게시판 > 세미나

아래와 같이 콜로퀴움을 개최하오니 많이 참석해 주시기 바랍니다. 아 래 1. 제목: Dynamics of one-dimensional electrons and exotic elementary excitations 2. 연사: Y. Kuramoto 교수 (일본 동북대학교) 3. 일시: 2006년 9월 8일(금요일) 오후 4시 30분 4. 장소: 물리학과 세미나실(31355호실) 5. 초록: Interactions among one-dimensional electrons cause nonperturbative effects such as instability of the Fermi liquid and the spin-charge separation. Understanding of dynamics probed by neutron scattering and photoemission requires a global theory beyond the scope of the standard Tomonaga-Luttinger or conformal field theories focusing on the infrared limit. We first review relevant experimental results, and take the supersymmetric t-J model with a long-range (1/r^2) interaction which permits derivation of explicit dynamical quantities. We present exact results for static correlation functions, dynamical structure factor, and one-particle spectral functions. It is shown that spin and charge excitations are carried by exotic quasi-particles which obey neither Fermi nor Bose statistics. In the particular momentum range, these fractional particles seem to recombine to make up an electron. Hence an electron can be regarded as a composite particle from an excitation point of view.
번호 제목 날짜 조회 수
공지 <12/8(Thu.) 11:00am>노벨상 소개 강연 - 2016년 노벨 물리학상: 위상 응집 물리의 탄생 2016.11.28 1022301
502 <3/24> 복잡계 네트워크와 경제물리학(Complex Networks and Econo-Physics) 2006.03.20 79239
501 <3/31> ZnO nanorod heterostructures and nanodevices 2006.03.27 108569
500 <4/7> Structure and Dynamics of Complex Networks 2006.04.03 74620
499 <4/14> Neutron Star 2006.04.10 82729
498 <5/12> An Infrared View of the Universe 2006.05.09 86152
497 <5/19> Higgs 입자 사냥 2006.05.17 81872
496 <5/26> Nanomagnetic Materials and First Principles Approach 2006.05.22 78894
495 <6/2>백색 LED를 이용한 반도체조명에 관하여 2006.05.29 98766
494 <6/9> Status and Prospects of Big Science in Korea 2006.06.05 85096
» <9/8>Dynamics of one-dimensional electrons and exotic elementary excitations 2006.09.04 89152
492 <9/15> 2006.09.07 75491
491 <9/22> 진실 vs. 거짓, 도대체 과학이란 무엇인가? 2006.09.18 78614
490 <10/13> What has happened in the beginning of the universe? 2006.10.11 87750
489 <10/27> 'Brain dynamics underlying human decision-making' 2006.10.21 124982
488 2006학년도 2학기 콜로퀴움 일정 2006.10.23 79816
487 <11/3>고온 초전도와 MgB2 초전도체-미래전망 2006.11.03 80360
486 <11/10>한국원전중성미자실험(RENO) 2006.11.08 75579
485 <11/17>의학에서의 치료음향 Therapeutic Sound in Medicine 2006.11.15 77409
484 <11/24>생물계의 물리학적 연구: 단분자 생물물리학과 세포 역학 연구 2006.11.21 72883
483 <12/1>21세기 관측우주론 2006.11.28 71181