Prosecution and direction of photoinduced phase transition research project

1)这一光诱导相变研究项目的进展和方向。最近，人们发现了一类新的绝缘固体，它只被几个可见光子照射，就会孕育出一个宏观激发域，具有与起始基态完全不同的新的结构和电子顺序。这种现象被称为“光诱导相变”(PPT)，我们可以通过少数可见光子的激发或激发产生新的长期稳定的局部稳定的宏观非平衡相。在本研究项目中，我们对PPT的发生条件、机理以及它与普通的热激发平衡相有何不同进行了广泛的研究。2)我们组织了国内关于PPT的研究会议。(共10次会议)2001年，我们每年组织：(1)在创业实验室举办一次会议。2001年5月24-25日在名古屋大学，有20人参加，以及(2)在镰仓Princ.…举行的会议3)我们还组织了一次关于PPT的国际会议，题目是“光诱导相变、它们的动力学和前驱现象”，日期为2001年11月14-16日。会议现场，筑波国际会议中心，113名与会者(来自美国3人，德国1人，波兰2人，意大利2人，乌克兰1人，法国4人，日本国内100人)。受邀半小时演讲总数14，半小时口头演讲总数19，海报演讲总数30.4)国际出版物4.1“光诱导相变和前驱现象”，主编。4.2上述国际会议论文集，《光诱导相变，它们的动力学和前驱现象》，将由Gorden Break Science出版商(英国，牛津，Taylor和Francis的成员)出版，作为一本约500页的书出版。较少

1)Prosecution and direction of this photoinduced phase transition research project.Very recently, there discovered a new class of insulating solids, which, being shined by only a few visible photons, become pregnant with a macroscopic excited domain that has new structural and electronic orders quite different from the starting ground state. This phenomenon is called "photoinduced phase transition"(PPT) and we can generate new long lived locally stable macroscopic nonequilibrium phases through the excitations or stimulations by a few visible photons. In this research project, we have extensively studied to clarify the condition of its occurrence, its mechanism, and how it is different from the ordinary thermally excited equilibrium phase.2)We have organized domestic research conferences on PPT. (Total 10 conferences)In annual year 2001, we have organized, (1) a conference at Venture Lab. of Nagoya University in May 24-25,2001 with 20 participants, and (2) a conference at Kamakura Princ … More e Hotel in January 28-29,2002 with 30 participants.3)We have also organized an international conferences on PPT.Title「Photoinduced Phase Transitions, Their Dynamics and Precursor Phenomena」, Date, November 14-16 2001. Conference site, Tsukuba international conference center, 113 participants, (from America 3, Germany 1, Poland 2, Italy 2, Ukraine 1, France 4, and from within Japan 100). Total number of invited talks for a half-hour 14, Total number of oral presentations for a half-hour 19, Total number of poster presentations 30.4)International Publications4.1 「Photoinduced Phase Transitions and Precursor Phenomena」, ed. By K.Nasu, Phase Transitions Vol.74,No.1-2 Gorden Breach Science Publisher(UK, Oxford, A member of Taylor and Francis) about 300 printed pages.4.2 Proceedings of aforementioned international conference,「Photoinduced Phase Transitions, Their Dynamics and Precursor Phenomena」, to be published from Gorden Breach Science Publisher (UK, Oxford, A member of Taylor and Francis) as a book of abou 500 printed pages. Less