28.11.2012 Views

Exact Solutions and Scalar Fields in Gravity - Instituto Avanzado de ...

Exact Solutions and Scalar Fields in Gravity - Instituto Avanzado de ...

Exact Solutions and Scalar Fields in Gravity - Instituto Avanzado de ...

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

202 EXACT SOLUTIONS AND SCALAR FIELDS IN GRAVITY<br />

Assum<strong>in</strong>g the solutions are<br />

where is the confluent hypergeometricfunction, <strong>and</strong> are<br />

arbitrary separation constants <strong>and</strong><br />

3.3. EXACT SOLUTIONS FOR BIANCHI II<br />

WITH<br />

In this case the potential for is given as follows<br />

<strong>and</strong> the WDW equation is given by<br />

the wavefunction takes the f<strong>in</strong>al form<br />

where <strong>and</strong><br />

<strong>and</strong> the are <strong>in</strong>tegration constants.<br />

4. FINAL REMARKS<br />

We have obta<strong>in</strong>ed exact solutions for quantum <strong>and</strong> classical cosmologies<br />

<strong>in</strong> the general scalar–tensor theory of gravitation with arbitrary coupl<strong>in</strong>g<br />

function <strong>and</strong> particular potentials We have constructed<br />

quantum wormholes solutions. The Bianchi I,II solutions are for arbitrary<br />

large anisotropies. Quantum cosmology us<strong>in</strong>g general relativity<br />

<strong>in</strong> homogeneous spacetimes with small anisotropies <strong>and</strong> a scalar field<br />

were consi<strong>de</strong>red by Lukash <strong>and</strong> Schmidt <strong>and</strong> Amsterdamski [12]. Lidsey

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!