almost OK with Sec IIIB
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g.tex
24
g.tex
@ -543,29 +543,19 @@ This probability is given by
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= \sum_{\ket{i_1} \in \cD_{I_0}} \cdots \sum_{\ket{i_{n-1}} \in \cD_{I_0}}
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p_{I_0 \to i_1} \ldots p_{i_{n-2} \to i_{n-1}} p_{i_{n-1} \to I}.
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\ee
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Since the sums are restricted to states belonging to the domain it is convenient to introduce a projector for over each domain
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Since the sums are restricted to states belonging to the domain, it is convenient to introduce a projector over each domain
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\be
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\label{eq:pi}
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P_I = \sum_{\ket{i} \in \cD_I} \dyad{i}{i}.
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P_I = \sum_{\ket{i} \in \cD_I} \dyad{i}{i},
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\ee
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and, also,
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the projection of the operator $T^+$ over the domain, \ie,
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\be
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T^+_I= P_I T^+ P_I.
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\ee
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Th operator $T^+_I$ governs the dynamics of the walkers trapped in the domain $\cD_{I}$,
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see Eq.(\ref{eq:pij}) where $T^+$ is now restricted to the domain.
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as well as the projection of $T^+$ over $\cD_I$, \ie, $T^+_I = P_I T^+ P_I$, which governs the dynamics of the walkers trapped in this domain.
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%see Eq.~\eqref{eq:pij} where $T^+$ is now restricted to the domain.
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Using Eqs.~\eqref{eq:pij} and \eqref{eq:eq1C}, the probability can be rewritten as
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\be
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\label{eq:eq3C}
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\cP_{I_0 \to I}(n) = \frac{1}{\PsiG_{I_0}} \mel{I_0}{\qty(T^+_{I_0})^{n-1} F^+_{I_0}}{I} \PsiG_{I},
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\ee
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where the operator
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\be
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\label{eq:Fi}
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F^+_I = P_I T^+ (1-P_I),
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\ee
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corresponding to the last move connecting the inside and outside regions of the domain, has the following matrix elements:
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where the operator $F^+_I = P_I T^+ (1-P_I)$, corresponding to the last move connecting the inside and outside regions of the domain, has the following matrix elements:
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\be
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(F^+_I)_{ij} =
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\begin{cases}
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@ -582,9 +572,7 @@ the probability of being trapped $n$ times in $\cD_{I}$, just by summing over al
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\label{eq:PiN}
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P_{I}(n) = \frac{1}{\PsiG_{I}} \mel{ I }{ \qty(T^+_{I})^{n-1} F^+_{I} }{ \PsiG }.
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\ee
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The normalization to one of this probability can be verified
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by using
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the fact that
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The normalization of this probability can be verified using the fact that
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\be
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\label{eq:relation}
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\qty(T^+_{I})^{n-1} F^+_I = \qty(T^+_{I})^{n-1} T^+ - \qty(T^+_I)^n,
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