TIAMO QSim Thomas Huber Alex Lambrecht Julian Schmidt [Martin

48 Pages·2013·4.53 MB·English

by  Wayne Itano

[Christian Schneider]
Thomas Huber
[Martin Enderlein]
Alex Lambrecht
Julian Schmidt [Michael Zugenmeier
(cid:206) Universität
+ Ulrich Warring [NIST] Freiburg
+ Leon Karpa [MIT]
IMPRS-APS
QSim
Quantum Simulations (with ions)
TIAMO
col. Porras, Bermudez
Trapped Ions And MOlecules
scaling QSim in rf-surface traps
“watch your single molecule”
col.
NIST
SNL
Basel
optical trapping of ions (and atoms)
col.
+ topological defects [PICC]
Lukin, Cote, Moszynski, Morigi
col. Rezink, Landa, Retzker + decoherence assisted
spectroscopy [NIST]
2D Analogue Quantum Simulations
Exploiting Ions (and Atoms) in Optical and RF-Traps
(cid:206) QSim: 2D arrays of rf-traps
(cid:206)trappology
(cid:206)precursors (expl. decoherence)
+ [QSim - gauge fields]
+ [dissipation assisted entanglement]
+ decoherence assisted spectroscopy
(cid:206) optically trapping of ions and atoms
(cid:206) trapping of topological defects
+ defect assisted entanglement
iQsim _1_ 2013
2D array - rf surface
cross section
?
top view
?
(cid:206)extend into second dimension (arrays of ions) [see also Chiaverini, Hensinger, Blatt,..]
(cid:206)optimize architecture for quantum simulations (no cryogenics, large J )
spin/spin
(cid:206)(potentially without lasers)
2D - scaling
collaboration:
Roman Schmied
z
<
optimize (2D) trap architecture:
~J~ t
- minimal distance z~40μm (J~z-3~kHz) il
t
h
- maximal height h>50μm (heating~h-4)
>
- tilt of axis (access all dimensions)
DC- RF-
increasing h @ z=40μm
DC
RF
h=30μm h=40μm h=50μm
100μm 100μm
first step:
1D surface trap
collaboration:
Sandia National Laboratories
2D scaling
collaboration:
Roman Schmied
z
<
optimize (2D) trap architecture: ~J~ t
l
i
t
h
>
DC- RF-
increasing h @ z=40μm
DC
RF
h=30μm h=40μm h=50μm
100μm 100μm
collaboration (cid:206)scalability
+ proof of principle studies:
us
spin frustration,
(+R.Schmied)
spin glass effects,
!
disorder,
NIST Sandia quantum phase transitions n
o
(D.Leibfried) (D.Moehring) (Spin Boson, Bose Hubbard) si
i
v
2D scaling – real life
collaboration:
Sandia National Laboratories
2μm
last challenges
h = z = 40μm 2h = z = 80μm
s
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o
b
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2D scaling – nice life
collaboration:
Sandia National Laboratories
2D scaling – nice life
rf-surface electrode traps [ions]
NIST, Basel, Sandia (3x)
Bermudez, Porras
d
<
~J~
200μm
h 20μm 20μm
>
2D arrays – real nice life
20μm
2D Analogue Quantum Simulations
Exploiting Ions (and Atoms) in Optical and RF-Traps
(cid:206) QSim: 2D arrays of rf-traps
(cid:206)trappology
(cid:206)precursors (expl. decoherence)
+ [QSim - gauge fields]
+ [dissipation assisted entanglement]
+ decoherence assisted spectroscopy
(cid:206) optically trapping of ions and atoms
(cid:206) trapping of topological defects
+ defect assisted entanglement
iQsim _1_ 2013