Publications
Preprints
Preprints 2020
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Diabatic quantum annealing by counter-diabatic driving
L. Prielinger, A. Hartmann, Y. Yamashiro, K. Nishimura, W. Lechner, H. Nishimori
arXiv:2011.02691[ pdf ] -
Minimal Constraints in the Parity Formulation of Optimization Problems
M. Lanthaler, W. Lechner
arXiv:2008.10458 [ pdf ]
Publications
Publications 2020
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Multi-spin counter-diabatic driving in many-body quantum Otto refrigerators
A. Hartmann, V. Mukherjee, G.B. Mbeng, W. Niedenzu, W. Lechner
Quantum 4, (2020). -
Quantum Approximate Optimization with Parallelizable Gates
W. Lechner
IEEE Transactions on Quantum Engineering 1, 31002206 (2020). -
Encrypt me! A game-based approach to Bell inequalities and quantum cryptography
A. Lopez-Incera, A. Hartmann, W. Dür
Eur. J. Phys. 41, 065702 (2020). - Many-body quantum heat engines with shortcuts to adiabaticity
A. Hartmann, V., Mukherjee, W. Niedenzu, W. Lechner
Phys. Rev. Research 2, 023145 (2020).
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Quantum Expectation-Maximization Algorithm
H. Miyahara, K. Aihara, W. Lechner
Phys. Rev. A 101, 012326 (2020). - Perspectives of quantum annealing: Methods and implementations
P. Hauke, H. G. Katzgraber, W. Lechner, H. Nishimori, W. D. Oliver
Rep. Prog. Phys. 83, 054401 (2020).
Publications 2019
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Quantum phase transition with inhomogeneous driving in the Lechner-Hauke-Zoller model
A. Hartmann, W. Lechner
Phys. Rev. A 100, 032110 (2019). -
Rapid counter-diabatic sweeps in lattice gauge adiabatic quantum computing
A. Hartmann, W. Lechner
New J. Phys. 21, 043025 (2019). -
A Quantum N-Queens Solver
V. Torggler, P. Aumann, H. Ritsch, W. Lechner
Quantum 3, 149 (2019). - Designing ground states of Hopfield networks for quantum state preparation
C. Dlaska, L. M. Sieberer, W. Lechner
Phys. Rev. A 99, 032342 (2019).
Publications 2018
- Programmable superpositions of Ising configurations
L. M. Sieberer, W. Lechner
Phys. Rev. A 97, 052329 (2018).
Publications 2017
- A Coherent Quantum Annealer with Rydberg Atoms
A. Glaetzle, R. van Bijnen , P. Zoller and W. Lechner
Nature Communications 8, 15813 (2017). - Glass Transitions in Monodisperse Cluster-Forming Ensembles Vortex Matter in Type-1.5 Superconductors
R. Diaz-Mendez, F. Mezzacapo, W. Lechner, F. Cinti, E. Babaev, G. Pupillo
Phys. Rev. Lett. 118, 067001 (2017).
Publications 2016
- A Transmon Quantum Annealer Decomposing Many-Body Ising Constraints Into Pair Interactions
M. Leib, P. Zoller and W. Lechner
Quantum Science and Technology 1, 015008 (2016).
Publications 2015
- A Quantum Annealing Architecture with All-to-All Connectivity from Local Interactions
W. Lechner, P. Hauke, and P. Zoller,
Science Advances 1, 1500838 (2015).
- From classical to quantum non-equilibrium dynamics of Rydberg excitations in optical lattices
M. Mattioli, A. Glätzle, and W. Lechner,
New J. Phys. 17, 113039 (2015).
- Tunable defect interactions in classical and quantum solids
W. Lechner, F. Cinti, G. Pupillo,
Phys. Rev. A 92, 053625 (2015).
- Monodisperse cluster crystals Classical and quantum dynamics
R. Diaz-Mendez, F. Mezzacapo, F. Cinti, W. Lechner, G. Pupillo
Phys. Rev. E 92, 052307 (2015).
- Spatial Patterns of Rydberg Excitations from Logarithmic Pair Interactions
W. Lechner and P. Zoller,
Phys. Rev. Lett. 115, 125301 (2015).
- Probing Entanglement in Adiabatic Quantum Optimization with Trapped Ions
P. Hauke, L. Bonnes, M. Heyl, and W. Lechner,
Frontiers in Physics 3, 21 (2015).
- A string reaction coordinate for the folding of a polymer chain
C. Leitold, W. Lechner, and C. Dellago
J. Phys. Condens. Matter 27, 194126 (2015).
- Cluster Luttinger liquids and emergent supersymmetric conformal critical points in the one-dimensional soft-shoulder Hubbard model
M. Dalmonte, W. Lechner, Zi Cai, M. Mattioli, A. M. Läuchli, G. Pupillo
Phys. Rev. B 92, 045106 (2015).
- Entropy and Kinetics of Point-Defects in Two-Dimensional Dipolar Crystals
W. Lechner, D. Polster, G. Maret, C. Dellago, and P. Keim
Phys. Rev. E 91, 032304 (2015).
Publications 2014
- The Role of Quantum Fluctuations in the Hexatic Phase of Cold Polar Molecules
W. Lechner, H.-P. Büchler, and P. Zoller,
Phys. Rev. Lett. 112, 255301 (2014).
- Defect-induced supersolidity with soft-core Bosons
F. Cinti, T. Macri, W. Lechner, G. Pupillo, T. Pohl,
Nature Comm. 5 , 3235 (2014).
- Equilibrium and non-equilibrium cluster phases in colloids with competing interactions
E. Mani, W. Lechner, W. Kegel, P. Bolhuis,
Soft Matter 10, 4479 (2014).
Publications 2013
- Self-organized defect strings in two-dimensional crystals
W. Lechner, D. Polster, G. Maret, P. Keim, C. Dellago,
Phys. Rev. E 88, 060402 (2013).
- From Classical to Quantum Glasses with Ultracold Polar Molecules
W. Lechner and P. Zoller,
Phys. Rev. Lett. 111, 185306 (2013).
- Cluster Luttinger liquids of Rydberg-dressed atoms in optical lattices
M. Mattioli, M. Dalmonte, W. Lechner, and G. Pupillo,
Phys. Rev. Lett. 111, 165302 (2013).
- Resonances in dissipative optomechanics with nanoparticles Sorting, speed rectification, and transverse cooling
S. J. M. Habraken, W. Lechner, and P Zoller,
Phys. Rev. A 97, 053808 (2013).
- Cavity Optomechanics of Levitated Nano-Dumbbells Non-Equilibrium Phases and Self-Assembly
W. Lechner, S. J. M. Habraken, N. Kiesel, M. Aspelmeyer, P. Zoller,
Phys. Rev. Lett. 110, 143604 (2013).
Publications 2011 - 2006
- Reaction coordinates for the crystal nucleation of colloidal suspensions extracted from the reweighted path ensemble
W. Lechner, C. Dellago, and P. G. Bolhuis,
J. Chem. Phys. 135, 154110 (2011).
- On the Relation Between Projections of the Reweighted Path Ensemble
P. G. Bolhuis and W. Lechner,
J. Stat. Phys. 145, 841 (2011).
- Role of the prestructured surface cloud in crystal nucleation
W. Lechner, C. Dellago, and P. G. Bolhuis,
Phys. Rev. Lett. 106, 085701 (2011).
- Non-linear reaction coordinate analysis in the reweighted path ensemble
W. Lechner, J. Rogal, J. Juraszek, B. Ensing and P. G. Bolhuis,
J. Chem. Phys. 133, 174110 (2010).
- The reweighted path ensemble
J. Rogal, W. Lechner , J. Juraszek, B. Ensing and P. G. Bolhuis,
J. Chem. Phys. 133, 174109 (2010).
- Defect interactions in two-dimensional colloidal crystals vacancy and interstitial strings
W. Lechner and C. Dellago,
Soft Matter 5, 2752 - 2758 (2009).
- Point defects in two-dimensional colloidal crystals simulation vs. elasticity theory
W. Lechner and C. Dellago,
Soft Matter 5, 646 (2009).
- Accurate determination of crystal structures based on averaged local bond order parameters
W. Lechner and C. Dellago,
J. Chem. Phys. 129, 114707 (2008).
- Displacement fields of point defects in two-dimensional colloidal crystals
W. Lechner, E. Schöll-Paschinger, and C. Dellago,
J. Phys. Condens. Matter 20, 404202 (2008).
- On the efficiency of path sampling methods for the calculation of free energies from non-equilibrium simulations
W. Lechner and C. Dellago,
J. Stat. Mech. P04001 (2007). - Equilibrium free energies from fast-switching trajectories with large time steps
W. Lechner, H. Oberhofer, C. Dellago and P. Geissler,
J. Chem. Phys. 124, 044113 (2006).