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quant-ph9807060.txt |@word monte:1 partial:1 consider:3 results:3 leads:5 contributions:1 2r0:4 devoted:1 whose:1 θq:1 attracted:1 technique:1 monotonically:3 th:1 under:1 provides:2 far:1 wave:3 chooses:1 difference:2 exact:3 condition:10 entire:2 solution:9 large:4 dealt:1 indices:1 3b:1 equation:21 wronskian:2 sturm:2 10a:1 sign:2 jump:1 second:1 insertion:1 further:1 theory:5 even:6 what:7 fubini:1 trivial:3 section:3 giampiero:1 iκr:2 expressed:4 above:3 fractional:1 new:5 3a:1 contributes:1 jumps:2 contrast:2 coefficient:5 compact:1 full:1 exchange:1 respectively:2 never:1 equals:1 here:2 ranges:4 desired:2 simon:1 tangent:1 separation:1 consideration:1 standard:2 equations:4 eikr:1 logarithmic:4 obtained:1 scienze:1 involved:1 study:1 studied:2 periodic:1 products:1 action:1 suitable:1 changes:3 cancellation:1 involves:1 genuinely:1 via:1 useful:4 merely:1 substitution:1 summation:1 total:1 angelo:1 eψ:1 would:2 prove:2 remains:2 positive:6 whittaker:1 negative:2 hilbert:2 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quant-ph9807061.txt |@word nω:12 spaced:1 consider:3 show:3 vanishing:1 brownian:11 results:5 presence:2 soluble:2 thermal:1 relevant:1 relation:1 using:1 gn:7 gm:2 contributions:1 its:2 figure:5 previous:1 position:1 secondly:1 vs:4 parameters:1 decay:4 chosen:1 iii:2 point:1 tr:2 send:1 rel:1 ıa:2 finally:2 microscopic:1 coefficients:3 under:1 relevance:1 mail:1 argentina:3 main:1 equilibrium:4 them:1 factor:1 around:3 frequencies:1 secular:1 de:5 increases:1 macroscopical:1 obtain:2 game:1 cannot:1 ciencias:1 words:1 press:1 during:1 exact:8 condition:3 thermalizes:1 eigenvalue:1 evolution:5 theor:1 hereafter:1 particle:3 hamiltonian:2 conditions:1 arxiv:1 solution:5 us:1 sin:2 garcia:3 magnitude:1 yields:1 follows:2 analytical:1 found:1 about:1 fixed:1 decreasing:1 distinguishes:1 lorentzian:1 referred:1 population:3 smaller:2 variations:1 2re:2 play:1 related:1 ωt:4 see:5 frequency:1 sec:3 result:1 respect:2 quantum:3 damped:1 eq:5 eβω:1 after:2 canonical:1 emerges:1 shown:2 scale:2 suc:2 exponential:3 astronom:2 macroscopic:1 stemming:1 langevin:8 below:1 iht:1 state:1 amplitude:1 provides:1 between:2 ωm:3 ref:3 math:1 shows:1 coefficient:1 gives:1 numerical:4 theory:1 initially:1 sudarshan:1 view:1 ısica:3 given:5 departamento:1 step:1 hypothesis:1 key:1 become:1 re:1 coupling:1 equations:4 distribution:1 interpret:1 asymptotic:3 obtained:2 observable:1 instituto:2 hidden:1 survival:2 derivation:1 interesting:1 taking:1 discussed:1 according:1 greater:1 reduced:1 motion:3 probabilities:1 int:1 important:1 figures:2 universidad:1 departing:1 contribution:1 mean:3 peak:1 aires:4 ψm:2 contains:1 recurrences:1 modulates:1 probability:2 extra:1 into:2 fig:4 harmonic:2 reaches:3 bath:6 scaled:1 aa2:1 because:1 computing:1 iafe:1 captions:1 gn2:4 recurrence:3 use:1 perturbation:1 temperature:1 comparing:1 introduction:1 leading:1 eqs:2 initial:5 visualize:1 system:2 needed:1 master:7 damping:2 time:10 taken:2 alvarez:3 ph:1 was:2 until:1 reflects:1 2i:1 sort:1 only:1 through:1 irreversibility:1 form:2 centered:1 quantities:1 explanation:1 exactly:2 nonexponential:1 cos:7 jul:1 oscillates:1 unstable:1 pnm:4 profiles:1 values:2 particular:4 known:1 general:1 irreversible:2 than:3 naturales:1 observation:1 reconstruction:1 account:2 te:1 showed:1 pacs:1 equation:11 work:2 oscillator:6 second:2 value:5 while:1 minimum:1 del:2 behavior:3 ωn:27 following:2 fluctuations:4 problem:1 more:2 proof:1 detailed:2 function:1 compare:1 constant:1 zeno:2 espacio:2 process:1 allows:1 exactas:1 fax:1 iv:2 ii:2 oscillations:2 reads:1 ar:1 physica:1 guevara:1 seen:1 times:2 apparently:1 orders:1 regime:2 functions:1 ing:1 completeness:1 nm:2 nn:5 no:1 ψn:3 essentially:1 discussion:1 when:1 same:1 grows:1 unity:1 purely:1 quant:1 generalized:1 buenos:4 several:1 privileged:2 consequence:1 profile:1 independent:1 criterion:1 coming:1 replacing:1 oscillators:1 mechanical:1 reached:1 effect:1 prepared:1 algebraic:1 a2:1 uba:1 facultad:1 fits:1 choice:1 pωn:3 period:2 stress:1 short:1 natural:2 dynamical:4 resolution:1 min:1 correspond:1 together:1 misra:1 secs:1 solve:1 ative:1 correlation:1 firstly:1 observables:1 model:6 first:1 arising:1 order:3 fact:1 laws:1
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quant-ph9807086.txt |@word concept:1 consider:1 rev:10 results:1 four:7 tapping:1 research:1 depend:2 alamos:8 swap:2 amplitudes:7 bratislava:3 print:8 affect:1 difference:1 condition:1 swapping:4 presented:6 ref:3 vector:3 optics:1 hillery:8 elegant:1 perspective:1 estimated:1 machines:3 what:2 appear:1 expressed:1 networks:2 new:3 bruß:3 simultaneously:4 here:4 plenio:1 address:1 represented:2 extreme:1 cerf:6 generalizing:1 institute:2 involved:1 study:1 vectors:2 allows:1 prior:1 situations:1 action:2 bob:10 suitable:1 emerge:1 buˇzek:13 via:7 followed:1 griffiths:2 family:1 logical:3 scaled:3 apply:1 would:3 massar:4 generate:1 classically:2 explicitly:1 therefore:1 ib1:1 type:1 theoretical:1 preserved:1 sharing:1 composite:2 outputs:1 operators:3 controlling:1 normalized:1 known:2 cases:1 iii:1 account:1 der:1 values:1 following:1 fulfill:1 proof:2 control:7 process:2 allowed:2 states:9 performed:7 sense:1 inseparability:1 information:19 s1:21 s0:21 how:3 pure:7 optimal:9 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quant-ph9807089.txt |@word consider:1 rev:8 avalanche:1 transmittances:1 calculate:3 paris:1 γk:12 tj:1 th:1 under:2 td:1 worth:1 norm:1 overlaps:1 advantage:1 far:1 mixing:1 condition:2 rα:1 splitter:13 guo:1 large:1 solved:1 vector:1 succession:3 zn:1 10a:1 zero:5 traveling:10 dynamics:1 what:1 goes:1 designing:1 new:1 increasing:1 method:6 edited:1 led:1 degree:1 d1:3 respectively:1 here:3 atoms:4 desired:3 address:1 strong:2 equations:1 obtained:1 suitably:1 leaving:2 resulting:1 adopting:1 transmittance:7 appropriately:1 via:1 projection:2 greenbelt:1 highly:1 summation:1 fed:1 shepard:1 commun:1 probabilities:1 abbreviations:1 comparing:1 noting:1 ψn:1 more:1 operators:1 aware:1 particular:1 producing:5 bagnato:1 recall:1 setup:1 work:1 oscillator:2 mk:2 fock:9 values:4 following:1 γkl:1 control:1 dn:1 figure:2 mirrors:1 calculation:1 states:27 performed:2 tab:1 absolute:2 straightforward:1 kwiat:1 rather:1 write:2 pure:2 opt:2 displacements:1 undergoing:1 algebra:2 may:4 max:1 after:6 hong:1 produce:1 man:1 realized:5 joint:1 register:3 deutsche:1 so:1 enter:1 βk:5 order:3 operations:1 moussa:1 move:1 satisfied:1 produced:3 timing:1 paper:1 through:1 jaynes:2 roots:5 before:2 derive:1 rapidly:1 energies:1 ll:1 lm:2 lk:1 detected:1 offers:2 fig:2 photodiodes:1 eventually:1 non:2 propose:2 outlined:1 pegg:2 they:1 now:1 always:1 routines:1 alternately:1 possibilities:1 l2:1 mode:22 each:1 universit:1 2k:1 schemes:2 clausen:1 generation:5 barnett:2 displacement:13 challenges:1 jena:2 entering:1 measurement:6 quantum:12 laboratory:1 approximated:1 eq:13 event:1 shown:3 evy:1 crucial:1 mattle:1 shows:1 numerical:2 possibility:1 standard:1 approaches:1 ask:1 detecting:1 definition:1 pairs:1 interaction:1 times:1 place:1 hence:1 βn:6 5th:1 first:4 already:1 probability:11 laguerre:1 rydberg:1 pn2:1 number:1 channels:3 done:1 array:2 illustrate:1 given:7 rewritten:1 their:1 eqs:7 relations:1 indicate:1 calculations:1 realization:1 scheme:4 loudon:1 gives:1 collapse:2 forschungsgemeinschaft:1 tapster:1 optical:1 july:1 see:3 rarity:1 preparation:3 determined:2 kth:2 were:1 result:1 ann:1 substantial:1 seen:1 weinfurter:1 any:5 conversion:1 efficient:1 latter:1 note:3 phillips:1 generalized:1 detector:3 channel:1 accuracy:1 towards:1 αl2:1 αl1:2 most:1 germany:1 jul:1 phase:6 acknowledgements:1 kj:2 calculated:4 detectors:2 kn:3 tpi:1 proceedings:1 principle:1 exp:2 show:1 supported:1 bring:1 relation:2 superimposed:2 substituting:1 d2:2 find:3 ground:3 based:2 parameters:4 implementation:3 only:1 local:1 pk2:3 do:1 dk:1 ko:1 beam:17 preparing:3 international:1 opatrn:1 platz:1 carmichael:1 fields:5 arxiv:1 summary:1 experiments:1 photodetectors:1 ban:1 qo:1 shapiro:1 requirement:1 set:1 alsing:1 reference:1 achieved:1 depends:1 injecting:1 truncating:1 optimum:1 subject:1 interacting:1 resonantly:1 subsequent:1 state:44 various:1 αk:9 αj:2 conditions:1 αl:3 αn:3 emitted:1 article:2 both:1 last:1 uncertainty:1 according:1 mixings:1 chosen:5 experimental:4 splitters:4 point:1 simple:1 corresponds:1 nˆ:14 simply:1 polynomial:6 table:2 cp:1 schleich:1 conference:1 second:1 basis:1 wien:1 been:5 interest:1 basic:1 pk:1 ph:2 abstract:1 controlled:1 sergienko:1 bmk:2 photon:17 zeilinger:1 coherent:12 external:1 former:1 case:3 reciprocal:1 theoretisch:1 solid:1 value:2 applies:1 squeezed:1 procedure:2 reflectance:2 unitary:2 vogel:1 coupled:1 equal:1 im:1 il:2 yˆ:13 agarwal:1 different:1 radiation:2 same:2 unity:1 complex:1 quant:2 finite:3 used:6 schiller:1 i1:5 i2:2 uses:1 kim:1 modes:6 well:2 obviously:3 model:1 parametric:1 researchers:1 proposed:3 being:3 obtain:2 bi1:1 adding:6 enters:1 han:1 application:2 photons:6 alternate:3 improvement:1 friedrich:1 lett:7 excited:1 identical:1 bim:1 increases:1 vacuum:6 using:8 mod:1 displaced:2 follows:1 signal:2 performing:2 specific:3 yields:2 arbitrary:5 output:7 reduced:1 right:1 classical:1 truncated:6 conditional:4 oll:3 added:3 choosing:1 cavity:15 measurements:3 does:2 assuming:1 welsch:3 measuring:3 l1:2 expansion:1 step:3 binomial:1 become:1 exciting:1 repeating:1 stage:2 column:1 aˆ:2 recalling:1 mixed:1 introduced:1 sensitively:1 cummings:2 beamsplitter:1 into:3 within:1 attains:1 down:1 square:1 references:1 operator:4 institut:1 additional:1 assumed:2 question:1 mandel:1 way:1 was:1 synthesis:2 function:1 creation:1 form:2 some:2 registered:2 regard:3 but:1 repeated:1 atom:3 line:2 highest:1 collapses:1 made:1 characteristic:4 maximum:1 us:3 physikalisches:1 distribution:1 similar:1 shih:1 associated:1 ln:1 defined:2 certain:1 ak:2 combining:2 single:11 our:1 physical:1 compared:1 dotted:1 no:1 tara:1 when:3 field:16 other:3 leblond:1 ured:1 elements:1 superposition:5 symbol:1 nonclassical:1 prepared:10 generated:2 correlated:1 assume:1 starting:1 required:1 b1k:1 nasa:1 requires:1
quant-ph9807091.txt |@word concept:3 partial:1 consider:23 rev:21 both:3 reversibility:2 results:9 illustrated:3 proposition:4 generalize:1 comments:1 prop:1 causes:1 equivalences:1 devoted:1 increase:3 certainly:3 inverse:1 depend:5 calculate:2 iii:4 subjected:2 technique:4 tr:6 quasi:23 protocols:2 fidelity:71 analogous:2 bni:2 dramatically:1 sent:2 applied:6 supported:3 performs:1 orthogonal:1 far:3 activation:1 none:1 seemingly:1 focus:1 reordering:1 allowed:3 fall:1 experimentally:1 matrices:2 condition:6 common:1 dim:1 presented:2 transmission:5 supports:2 trb:3 t0:3 large:3 convenience:1 adjust:1 math:2 science:1 small:3 eigenvalues:1 strongly:2 work:2 says:2 bn2:3 haar:3 direct:2 outcomes:2 second:7 noise:1 invariant:8 implemented:1 even:7 will:39 what:2 lemmas:1 plays:1 reformulated:1 rate:1 deliberate:1 diag:4 section:14 analogously:1 uniform:2 pawel:2 version:1 transformed:1 above:12 deal:2 shared:2 increasing:13 bn:14 contrast:1 aua:1 full:3 notions:2 degree:1 exchange:1 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