slides - Lattice Seminar - Desy
slides - Lattice Seminar - Desy
slides - Lattice Seminar - Desy
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
Noise in the Subspace Only<br />
All-to-all<br />
Propagators<br />
in <strong>Lattice</strong><br />
Hadron<br />
Spectrum<br />
Calculations<br />
John Bulava<br />
Background<br />
Distillation -<br />
An Exact<br />
All-to-all<br />
Method<br />
Variance-<br />
Reduced<br />
Stochastic<br />
LapH (VRSL)<br />
A new way to introduce noise:<br />
η cα(x, (r) ∑N ev<br />
t) =<br />
n=1<br />
Dilute in the subspace only<br />
η cα (r)[d] ∑N ev<br />
(x, t) =<br />
n=1<br />
αn[t] v c<br />
(n) [U; t](x)<br />
a (r)<br />
a (r)[d]<br />
αn<br />
[t] v (n) [U; t](x)<br />
a αn<br />
(r)[d] [t] = P [d]<br />
(αn|α ′ n ′ ) (t|t′ ) a (r)<br />
α ′ n<br />
[t ′ ] ′<br />
c<br />
Is VRSL more efficient than conventional dilution What<br />
about the volume dependence<br />
John Bulava<br />
All-to-all Propagators in <strong>Lattice</strong> Hadron Spectrum Calculations
Change language