BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//talks.cam.ac.uk//v3//EN
BEGIN:VTIMEZONE
TZID:Europe/London
BEGIN:DAYLIGHT
TZOFFSETFROM:+0000
TZOFFSETTO:+0100
TZNAME:BST
DTSTART:19700329T010000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0100
TZOFFSETTO:+0000
TZNAME:GMT
DTSTART:19701025T020000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
CATEGORIES:Isaac Newton Institute Seminar Series
SUMMARY:Exotic ordered structures of a thin film of a chir
 al liquid crystal - Jun-ichi Fukuda (Kyushu Univer
 sity)
DTSTART;TZID=Europe/London:20190403T151000
DTEND;TZID=Europe/London:20190403T155000
UID:TALK122539AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/122539
DESCRIPTION:&nbsp\;  <span>Liquid crystals fascinated scientis
 ts because they exhibit ordered structures in dive
 rse length scales. Here we focus on structures for
 med in a thin film of a chiral liquid crystal that
  allows spontaneous local twist of orientational o
 rder. By numerical calculations based on a continu
 um theory describing the orientational order by a 
 second-rank tensor\, we show that a thin film of a
  chiral liquid crystal exhibit a variety of exotic
  mesoscale structures depending on temperature\, f
 ilm thickness and surface anchoring that dictates 
 the orientational order at the film surfaces [1\,2
 ]. These structures are understood as a result of 
 frustrations between the bulk ordering and the sur
 face anchoring\, and include a hexagonal lattice o
 f Skyrmions\, vortex-like topological entities tha
 t have been shown to emerge in various condensed m
 atter systems. We also briefly mention the optical
  properties of these structures [2\,3].<span><br> 
 <br> [1] J. Fukuda and S. &#x17D\;umer\, Phys. Rev
 . Lett. 104\, 017801 (2010)\; Phys.&nbsp\;<br> Rev
 . Lett. 106\, 097801 (2011)\; Nature Commun. 2\, 2
 46 (2011).<br> <br> [2] A. Nych\, J. Fukuda\, et a
 l.\, Nature Phys. 13\, 1215 (2017).</span></span> 
  <span><span><br> [3] J. Fukuda et al.\, Sci. </sp
 an>Rep. 8\, 17234 (2018).</span>  <br><br><br><br>
 <br><br>
LOCATION:Seminar Room 2\, Newton Institute
CONTACT:INI IT
END:VEVENT
END:VCALENDAR