D. Janzing. Spektroskopie elastisch gestreuter Ionen an strukturierten

Oberflächen, Tübingen, 1995.

D. Janzing. Limesdynamik translationsinvarianter Quantengittersysteme, Tübingen, 1998.

D. Janzing. Computer science approach to quantum control, Karlsruhe 2006

D. Janzing and T. Beth. Fragility of a class of highly entangled states with n qubits. Phys. Rev. A, 61:052308-1-10, 2000.

D. Janzing, P. Wocjan, R. Zeier, R. Geiss, and Th. Beth. Thermodynamic cost of reliability and low temperatures: Tightening Landauer's principle and the Second Law. Int. Jour. Theor. Phys., 39(12):2217-2753, 2000.

D. Janzing and Th. Beth. Complexity measure for continuous time quantum algorithms. Phys. Rev. A, 64(2):022301, 2001.

R. Steinwandt, D. Janzing, and Th. Beth. On using quantum protocols to detect traffic analysis. Quant. Inform. & Comp., 1(3):62--69, 2001.

D. Janzing and Th. Beth. Distinguishing n Hamiltonians on Cn by a single measurement. Phys. Rev. A, 65, 2002.

D. Janzing, F. Armknecht, R. Zeier, and Th. Beth. Quantum control without access to the controlling interaction. Phys. Rev. A, 65:022104, 2002.

P. Wocjan, D. Janzing, and Th. Beth. Simulating arbitrary pair-interactions by a given Hamiltonian: Graph-theoretical bounds on the time complexity. Quant. Inform. & Comp., 2(2):117--132, 2002.

D. Janzing, P. Wocjan, and Th. Beth. Complexity of decoupling and time-reversal for n spins with pair-interactions: Arrow of time in quantum control. Phys. Rev. A 66, 042311-1-4, 2002. Selected for the Virtual Journal of Nanoscale Science & Technology, Nov 2002.

D. Janzing and Th. Beth. Quantum algorithm for measuring the eigenvalues of U\otimes U^{-1} for a black-box unitary transformation U. Quant. Inform. & Comp., 2(3):192--197, 2002.

D. Janzing. Quantum algorithm for measuring the energy of n qubits with unknown

pair-interactions. Quant. Inform. & Comp., 2(3):198--207, 2002.

P. Wocjan, M. Rötteler, D. Janzing, and Th. Beth. Universal simulation of Hamiltonians using a finite set of control operations. Quant. Inform. & Comp., 2(2):133--150, 2002.

P. Wocjan, M. Rötteler, D. Janzing, and Th. Beth. Simulating Hamiltonians in quantum Networks: Efficient schemes and complexity bounds. Phys. Rev. A, 65:042309, 2002.

D. Janzing and T. Beth. Quasi-order of clocks and their synchronism and quantum bounds for copying timing information. IEEE Trans. Inform. Theor., 49(1):230--240, 2003.

D. Janzing, T. Decker, and Beth. T. Performing joint measurements and transformations on several qubits by operating on a single "control" qubit. Phys. Rev. A, (67):042320, 2003. selected for the Virtual Journal of Quantum information.

D. Janzing, P. Wocjan, and T. Beth. On the computational power of physical interactions: Bounds on the number of time steps for simulating arbitrary interaction graphs. Int. Jour. Found. Comp. Science, special issue for Quantum Computation, 14(5):889--903, 2002.

P. Wocjan, D. Janzing, and T. Beth. Two QCMA-complete problems. Quant. Inf. & Comp., 3(6):635--643, 2003.

P. Wocjan, D. Janzing, and Th. Beth. Treating the Independent Set Problem by 2D Ising Interactions with Adiabatic Quantum Computing. Quant. Inf. Proc., 2(4):259--270, 2003.

T. Decker, D. Janzing, and T. Beth. Quantum circuits for single-qubit measurements corresponding to platonic solids. Int. Journ. Quant. Inform., 2(3):353--377, 2004.

T. Decker, D. Janzing, and M. Rötteler. Implementation of group-covariant positive operator valued measures by orthogonal measurements. Journ. Math. Phys., 46:012104, 2005.

D. Janzing, P. Wocjan, and T. Beth. "Non-Identity check" is QMA-complete.

quant-ph/0305050, to appear in Int. Journ. Quant. Inf., 2005.

D. Janzing and P. Wocjan. Ergodic quantum computing. Quant. Inf. Proc., 4(2):129--158, 2005.

Papers in books and proceedings

D. Janzing and Th. Beth. Are there quantum bounds on the recyclability of clock signals in low power computers? In Proceedings of the DFG-Kolloquium VIVA, Chemnitz, 2002.

D. Janzing M. Rötteler P. Wocjan, T. Beth, M. Grassl and R. Zeier. Algorithms for Quantum Systems - Quantum Algorithms. In Quantum Information Processing, Ed. by G. Leuchs and T. Beth, Wiley-CH, Berlin, 2003.

D. Janzing. In Quanteninitiative Karlsruhe--Innsbruck, 1998.

D. Janzing. A quasi-order of resources as a new concept for a thermodynamic

theory of quantum state preparation. In Sciences of the interface, Genista Verlag, Tübingen, 2000.

P. Wocjan, D. Janzing, Th. Decker, and Th. Beth. Measuring 4-local n-qubit observables could probabilistically solve PSPACE. In Proceedings of the WISICT conference, Cancun 2004.

D. Janzing. Über den Zusammenhang zwischen thermodynamisch reversiblem,

kryptograpisch seitenkanalfreiem sowie quantenkohärentem Rechnen. To appear in Proceedings der 35. Jahrestagung der Gesellschaft für Informatik, Bonn, 2005.

D. Janzing. Kann Statistik Ursachen beweisen? Universität Karlsruhe, SS 2003.

http://iaks-www.ira.uka.de/home/janzing/kausalskriptum03.ps

D. Janzing. Algorithmentechnik. Universität Karlsruhe, WS 2003/2004.

http://iaks-www.ira.uka.de/home/janzing/AlgotechSkriptDominik.pdf

D. Janzing. Cooling simple quantum systems: information theory on the resource requirements. Capri, 2000.

D. Janzing. Complexity measure for continuous time quantum algorithms. EU meeting, Potsdam 09/2000.

D. Janzing. Quasi-order of clock synchronism. IBM Watson Research, 01/2002.

D. Janzing. Complexity of molecular heat engines. Quantum Optics Meeting Obergurgl 2005.

D. Janzing and Th. Beth. Remark on multi-particle states and observables with constant complexity. LANL-preprint quant-ph/0003117.

D. Janzing and T. Beth. Quantum noise influencing human behaviour could fake effectiveness of drugs in clinical trials. quant-ph/0208006.

P. Wocjan, D. Janzing, and T. Beth. Required sample size for learning sparse Bayesian networks with many variables. LANL-preprint cs.LG/0204052

W. Wocjan, D. Janzing, and Th. Beth. Lower bound on the chromatic number by spectra of weighted adjacency matrices. LANL-preprint cs.DM/0112023

D. Herrmann and D. Janzing. Selection criterion for log-linear models using statistical learning theory. LANL-preprint math.PR/03020, 2002.

D. Janzing and D. Herrmann. Reliable and efficient inference of Bayesian networks from sparse data by statistical learning theory. cs.LG/0309015

D. Janzing and T. Beth. Bounds on the entropy generated when timing information is extracted from microscopic systems. quant-ph/0301125

D. Janzing and T. Beth. Synchronizing quantum clocks with classical one-way communication: Bounds on the generated entropy. quant-ph/0306023

D. Janzing, P. Wocjan, and Th. Beth. Cooling and Low Energy State Preparation for 3-local Hamiltonians are FQMA-complete. quant-ph/0305050

D.Janzing. Decomposition of time-covariant operations on quantum systems with continuous and/or discrete energy spectrum. quant-ph/0407144

D. Janzing. On the computational power of molecular heat engines. quant-ph/0502019

F. Schmüser and D. Janzing. On quantum A/D and D/A conversion. quant-ph/0505008

D. Janzing. Spin-1/2 particles moving on a 2d lattice with nearest-neighbor interactions can realize an autonomous quantum computer. quant-ph/0506270

D. Janzing. Quantum Computing Models as a Tool Box for Controlling and Understanding the Nanoscopic World. Manuscript.

- Quantum Information:
- control theory of complex systems
- interface between quantum and classical world
- algorithms (continuous and discrete)
- continuous complexity / control theoretic complexity
- thermodynamics
- causal reasoning under the presence of latent quantum factors
- sensitivity of large-scale entanglement
- continuous parameter estimation theory (e.g. timing information)
- non-clonability of continuous information
- complexity of observables
- quantum cryptography
- quantum complexity theory

- Computation with Minimal Resources:
- Causal Reasonning from Statistical Data:
- Graph Theory:

- control theory of complex systems:
- Dominik Janzing, Thomas Decker, and Thomas Beth

"Performing joint measurements and transformations on several qubits

by operating on a single control qubit" LANL preprint quant-ph/0207134. - Dominik Janzing, Pawel Wocjan, and Thomas Beth

"Bounds on the number of time steps for simulating arbitrary interaction graphs"

LANL preprint quant-ph/0203061. - Pawel Wocjan, Martin Rötteler, Dominik Janzing, and Thomas
Beth

"Simulating Hamiltonians in Quantum Networks: Efficient Schemes and Complexity Bounds"

*Physical Review A*,vol. 65, article no. 042309 , April 2002, 10 pages.

(PRA online © 2001 The American Physical Society). LANL preprint quant-ph/0109088. - Pawel Wocjan, Martin Rötteler, Dominik Janzing, and Thomas
Beth

"Universal Simulation of Hamiltonians Using a Finite Set of Control Operations"

LANL preprint quant-ph/0109063. - Dominik Janzing, Pawel Wocjan, and Thomas Beth

"Complexity of inverting*n*-spin interactions: Arrow of time in quantum control"

LANL preprint quant-ph/0106085. - Dominik Janzing, Pawel Wocjan, and Thomas Beth

"Simulating Arbitrary Pair-Interactions by a Given Hamiltonian: Graph-Theoretical Bounds

on the Time Complexity" LANL preprint quant-ph/0106077. - Dominik Janzing, Frederik Armknecht, Robert Zeier, and Thomas
Beth

"Quantum control without access to the controlling interaction"

*Physical Review A*, vol. 65, article no. 022104, February 2002, 8 pages.

(PRA online © 2002 The American Physical Society) LANL preprint quant-ph/0103022. - Dominik Janzing and Thomas Beth

"Distinguishing*n*Hamiltonians on*C*by a single measurement"^{n}

*Physical Review A*, vol. 65, article no. 022303, February 2001, 8 pages.

(PRA online © 2002 The American Physical Society). LANL preprint quant-ph/0103021. - Dominik Janzing

"Quasi-Order of Resources - a New Concept for the Thermodynamic Theory of Quantum State Preparation" in: Hans H. Diebner, Timothy Druckrey, and Peter Weibel (Eds.),*Science of the Interface*Tübingen: Genista Verlag, 2001, pp. 89-95. - Dominik Janzing, Pawel Wocjan and Thomas Beth

On the computational power of physical interactions:Bounds on the number of time steps for simulating arbitrary interaction graphs

LANL preprint quant-ph/0203061 - Dominik Janzing, Pawel Wocjan and Thomas Beth

Complexity of decoupling and time-reversal for*n*spins with pair-interactions: Arrow of time in quantum control*Physical Review A*, vol. 66, article no. 042311, 2002. (PRA online © 2002 The American Physical Society) selected for the November, 2002 issue of the Virtual Journal of Nanoscale Science & Technology - Dominik Janzing and Thomas Beth

Remark on multi-particle states and observables with constant complexity

LANL preprint quant-ph/0003117 - interface between quantum and classical world:
- Dominik Janzing, Frederik
Armknecht, Robert Zeier, and Thomas Beth

"Quantum control without access to the controlling interaction"

*Physical Review A*, vol. 65, article no. 022104, February 2002, 8 pages. (PRA
online© 2002
The American Physical Society) LANL preprintquant-ph/0103022. - Dominik
Janzing and Thomas Beth

"Remark on multi-particle observables and entangled states with constant complexity"

LANL preprintquant-ph/0003117. - Dominik Janzing and Thomas Beth

"Fragility of a class of highly entangled states of many quantum-bits"

LANL preprintquant-ph/9812070 - algorithms (continuous and discrete):
- Dominik Janzing and Thomas Beth

"Quantum algorithm for finding periodicities in the spectrum of a black-box Hamiltonian or unitary transformation" LANL preprint quant-ph/0108053. - Dominik Janzing

"Quantum algorithm for measuring the energy of*n*qubits with unknown pair-interactions"

LANL preprint quant-ph/0108052. - Dominik Janzing and Thomas Beth

"Distinguishing*n*Hamiltonians on*C*by a single measurement"^{n}*Physical Review A*, vol. 65, article no. 022303, February 2001, 8 pages. (PRA online © 2002 The American Physical Society). LANL preprintquant-ph/0103021. - Pawel Wocjan, Dominik Janzing and Thomas Beth

Treating the Independent Set Problem by 2D Ising Interactions with Adiabatic quantum Computing

LANL preprint quant-ph/0302027 - Dominik Janzing

quantum algorithm for measuring the energy of*n*qubits with unknown pair-interactions

LANL preprint quant-ph/0108052 - continuous complexity / control theoric complexity:
- Dominik Janzing, Thomas Decker,and
Thomas Beth

"Performing joint measurements and transformations on several qubits by operating on a single control qubit" LANL preprint
quant-ph/0207134. - Dominik
Janzing, Pawel Wocjan, and Thomas Beth

"Bounds on the number of time steps for simulating arbitrary interaction graphs"

LANL preprint quant-ph/0203061. - Pawel Wocjan, Martin Rötteler, Dominik Janzing, and Thomas
Beth

"Simulating Hamiltonians in Quantum Networks: Efficient Schemes and Complexity Bounds"

*Physical Review A*, vol. 65, article no. 042309 , April 2002, 10 pages (PRA online © 2001 The American Physical Society). LANL preprint quant-ph/0109088. - Dominik Janzing, Pawel Wocjan, and Thomas Beth

"Complexity of inverting*n*-spin interactions: Arrow of time in quantum control"

LANL preprint quant-ph/0106085. - Dominik Janzing, Pawel Wocjan, and Thomas Beth

"Simulating Arbitrary Pair-Interactions by a Given Hamiltonian: Graph-Theoretical Bounds on the Time Complexity"

LANL preprint quant-ph/0106077. - Pawel Wocjan, Martin Rötteler, Dominik Janzing, and Thomas
Beth

"Universal Simulation of Hamiltonians Using a Finite Set of Control Operations" LANL preprint quant-ph/0109063. - Dominik Janzing, Frederik Armknecht, Robert Zeier, and Thomas
Beth

"Quantum control without access to the controlling interaction"*Physical Review A*, vol. 65, article no. 022104, February 2002, 8 pages. (PRA online © 2002 The American Physical Society) LANL preprintquant-ph/0103022. - Dominik Janzing and Thomas Beth

"A Complexity Measure for Continuous Time Quantum Algorithms"*Physical Review A*, vol. 64, article no. 022301, August 2001, 6 pages.

(PRA online © 2001 The American Physical Society). LANL preprintquant-ph/0009094. - Dominik Janzing, Pawel Wocjan and Thomas Beth

On the computational power of physical interactions:Bounds on the number of time steps for simulating arbitrary interaction graphs LANL preprint quant-ph/0203061 - Dominik Janzing, Pawel Wocjan and Thomas Beth

Complexity of decoupling and time-reversal for*n*spins with pair-interactions: Arrow of time in quantum control*Physical Review A*, vol. 66, article no. 042311, 2002. (PRA online © 2002 The American Physical Society) selected for the November, 2002 issue of the Virtual Journal of Nanoscale Science & Technology - Dominik Janzing and Thomas Beth

A complexity measure for continuous time quantum algorithms

LANL preprint quant-ph/0009094 - thermodynamics:
- Dominik Janzing

"Quasi-Order of Resources - a New Concept for the Thermodynamic Theory of Quantum State Preparation" in: Hans H. Diebner, Timothy Druckrey, and Peter Weibel (Eds.),*Science of the Interface*Tübingen: Genista Verlag, 2001, pp. 89-95. - Dominik Janzing Pawel Wocjan, Robert Zeier, Rubino Geiss, and
Thomas Beth

"Thermodynamic Cost of Reliability and Low Temperatures: Tightening Landauer's Principle and the Second Law"*International Journal of Theoretical Physics*, vol. 39, no. 12, 2000, pp. 2717-2753. LANL preprintquant-ph/0002048. - causal reasoning under the presence of latent quantum factors:
- sensitivity of large-scale entanglement:
- Dominik Janzing and Thomas Beth

"Fragility of a class of highly entangled states of many quantum-bits"

LANL preprintquant-ph/9812070 - continuous parameter estimation theory:
- Dominik Janzing and Thomas Beth

"Are there quantum bounds on the recyclability of clock signals in low power computers?"

LANL preprint quant-ph/0202059. - Dominik Janzing and Thomas Beth

"Quasi-order of clocks and their synchronism and quantum bounds for copying timing information"

LANL preprint quant-ph/0112138. - non-clonability of continuous information:
- Dominik Janzing and Thomas Beth

"Are there quantum bounds on the recyclability of clock signals in low power computers?"

LANL preprint quant-ph/0202059. - Dominik Janzing and Thomas Beth

"Quasi-order of clocks and their synchronism and quantum bounds for copying timing information"

LANL preprint quant-ph/0112138. - complexity of observables:
- Dominik Janzing, Thomas Decker, and Thomas Beth

"Performing joint measurements and transformations on several qubits by operating on a single control qubit" LANL preprint quant-ph/0207134. - Dominik Janzing and Thomas Beth

"Quantum algorithm for finding periodicities in the spectrum of a black-box Hamiltonian or unitary transformation" LANL preprint quant-ph/0108053. - Dominik Janzing

"Quantum algorithm for measuring the energy of*n*qubits with unknown pair-interactions"

LANL preprint quant-ph/0108052. - Dominik Janzing, Frederik Armknecht, Robert Zeier, and Thomas
Beth

"Quantum control without access to the controlling interaction"*Physical Review A*, vol. 65, article no. 022104, February 2002, 8 pages.

(PRA online © 2002 The American Physical Society) LANL preprintquant-ph/0103022. - Dominik Janzing and Thomas Beth

"Remark on multi-particle observables and entangled states with constant complexity"

LANL preprintquant-ph/0003117.

- Dominik Janzing, Thomas Decker, and Thomas Beth
- quantum cryprographty:
- Rainer Steinwandt, Dominik Janzing, and Thomas Beth

"On Using Quantum Protocols to Detect Traffic Analysis"*Quantum Information and Computation*, vol. 1, no. 3, November, 2001, pp. 62-69. (QIC online) LANL preprint quant-ph/0106100. - quantum complexity theory:
- Dominik Janzing, Pawel Wocjan and Thomas Beth

``Identity check'' is QMA-complete

LANL preprint quant-ph/0305050 - Landauer's principle and a tightened version:
- Dominik Janzing Pawel Wocjan, Robert Zeier, Rubino Geiss, and
Thomas Beth

"Thermodynamic Cost of Reliability and Low Temperatures: Tightening Landauer's Principle and the Second Law"*International Journal of Theoretical Physics*, vol. 39, no. 12, 2000, pp. 2717-2753. LANL preprintquant-ph/0002048. - energy resource requirements for synchronization / clocking:
- Dominik Janzing and Thomas Beth

"Are there quantum bounds on the recyclability of clock signals in low power computers?"

LANL preprint quant-ph/0202059. - Dominik Janzing and Thomas Beth

"Quasi-order of clocks and their synchronism and quantum bounds for copying timing information"

LANL preprint quant-ph/0112138. - Dominik Janzing

"Quasi-Order of Resources - a New Concept for the Thermodynamic Theory of Quantum State Preparation" in: Hans H. Diebner, Timothy Druckrey, and Peter Weibel (Eds.),*Science of the Interface*, Tübingen: Genista Verlag, 2001, pp. 89-95. - Dominik Janzing and Thomas Beth

Bounds on the entropy generated when timing information is extracted from microscopic systems

LANL preprint quant-ph/0301125 - Pawel Wocjan, Dominik Janzing,
and Thomas Beth

"Lower Bound on the Chromatic Number by Spectra of Weighted Adjacency Matrices"

LANL preprint cs.DM/0112