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VERSION:2.0
PRODID:-//linuxsoftware.nz//NONSGML Joyous v1.4//EN
BEGIN:VEVENT
SUMMARY:Scalar field solutions in the Weyl class
DTSTART:20230622T143000Z
DTEND:20230622T160000Z
DTSTAMP:20260723T024837Z
UID:fc7fb08b-3d5c-4fd1-b99f-0d908f1ff730
SEQUENCE:1
CREATED:20230616T110244Z
DESCRIPTION: ABSTRACT: After briefly reviewing the properties of the Weyl-
 scalar field system we derive and analyze a particularly simple phantom sc
 alar field solution within the Weyl geometry (a natural counterpart of the
  Curzon--Chazy spacetime). We show that this solution contains a wormhole 
 throat which connects to a region that is not asymptotically flat and that
  behaves like a one-directional time machine. We investigate its conformal
  structure and analyze a non-scalar singularity appearing beyond the wormh
 ole throat. Various definitions of mass of the spacetime are compared in t
 he presence of phantom matter.  
LAST-MODIFIED:20230616T110244Z
LOCATION:Sala de Seminários do DF\,  Pavilhão de Física\, 2º piso
URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/scalar-field-solutions-in-
 the-weyl-class/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="zpl3g"> ABSTRACT: After br
 iefly reviewing the properties of the Weyl-scalar field system we derive a
 nd analyze a particularly simple phantom scalar field solution within the 
 Weyl geometry (a natural counterpart of the Curzon--Chazy spacetime). </p>
 <p data-block-key="a183c"></p><p data-block-key="1m5fo">We show that this 
 solution contains a wormhole throat which connects to a region that is not
  asymptotically flat and that behaves like a one-directional time machine.
  We investigate its conformal structure and analyze a non-scalar singulari
 ty appearing beyond the wormhole throat. Various definitions of mass of th
 e spacetime are compared in the presence of phantom matter.  </p>
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END:VCALENDAR