Creating a Superposition of Unknown Quantum States
Phys. Rev. Lett. 116 (2016) 110403
M. Oszmaniec, A.Grudka, M. Horodecki, A. Wójcik

Nonsignaling quantum random access-code boxes
Phys. Rev. A 92 (2015) 052312
A.Grudka, M. Horodecki, R. Horodecki, A. Wójcik

Quantifying Contextuality
Phys. Rev. Lett. 112 (2014) 120401
A.Grudka, K. Horodecki, M. Horodecki,P. Horodecki, R. Horodecki, P. Joshi, W. Kłobus, A. Wójcik

Quantum walk as a Generalized Measuring Device
Phys. Rev. Lett. 110 (2013) 200404
P. Kurzyński, A. Wójcik

Trapping a particle of a quantum walk on the line
Phys. Rev. A 85 (2012) 012329
A. Wójcik, T. Łuczak, P. Kurzyński, A. Grudka, T. Gdala, M. Bednarska-Bzdęga

Comment on "Information flow of quantum states interacting with closed timelike curves"
Phys. Rev. A 84 (2011) 056301
W. Kłobus, A. Grudka, A. Wójcik

Discrete-time quantum walk approach to state transfer
Phys. Rev. A 83 (2011) 062315
P. Kurzyński, A. Wójcik

Violation of Clauser-Horne-Shimony-Holt inequality for states resulting from entanglement swapping
Phys. Lett. A 374 (2010) 4831
A. Wójcik, J. Modławska, A.Grudka, M.Czechlewski

Entanglement purification protocol for a mixture of a pure entangled state and a pure product state
Phys. Rev. A 80 (2009) 014303
M. Czechlewski, A. Grudka, S. Ishizaka, A. Wójcik

Topological Estimator of Block Entanglement for Heisenberg Antiferromagnets
Phys. Rev. Lett. 99 (2007) 167204
R.W. Chhajlany, P. Tomczak, A. Wójcik

Entanglement in the Majumdar-Ghosh model
Phys. Rev. A 75 (2007) 032340
R.W. Chhajlany, P. Tomczak, A. Wójcik, J. Richter

Multiuser quantum communication network
Phys. Rev. A 75 (2007) 022330
A. Wójcik, T. Łuczak, P. Kurzyński, A. Grudka, T. Gdala, M. Bednarska

Probabilistic coding of quantum states
Phys. Rev. A 74 (2006) 012302
A. Grudka, A. Wójcik, M. Czechlewski

Quantum-classical correspondence in the oracle model of computation
IJQI 4 (2006) 633
A. Wójcik, R.W. Chhajlany

Comment on " Scheme for teleportation of an unknown atomic state without the Bell-state measurement"
Phys. Rev. A 73 (2006) 016302
R.W. Chhajlany, A. Wójcik

Non-treshold quantum information splitting scheme
Tatra Mt. Math. Publ. 33 (2006) 71
A. Grudka, A. Wójcik

Unmodulated spin chains as universal quantum wires
Phys. Rev. A 72 (2005) 034303
A. Wójcik, T. Łuczak, P. Kurzyński, A. Grudka, T. Gdala, M. Bednarska

Comment on “Quantum dense key distribution”
Phys. Rev. A 71 (2005) 016301
A. Wójcik

Quasiperiodic dynamics of a quantum walk on the line
Phys. Rev. Lett. 93 (2004) 180601
A. Wójcik, T. Łuczak, P. Kurzyński, A. Grudka, M. Bednarska

Examples of nonuniform limiting distributions for the quantum walk on even cycles
IJQI 2 (2004) 453
M. Bednarska, A. Grudka, P. Kurzyński, T. Łuczak, A. Wójcik

Erasure versus teleportation scheme of optical CNOT gate
Quantum Inf. Comp. 4 (2004) 373
A. Wójcik, A. Grudka

Defining entanglement (Letter to the Editor)
Science 301 (2003) 1183
A. Wójcik

Generation of inequivalent generalized Bell bases
Quantum Information Processing 2 (2003) 201
A. Wójcik, A. Grudka, R. W. Chhajlany

Quantum walks on cycles
Phys. Lett. A 317 (2003) 21
M. Bednarska, A. Grudka, P. Kurzyński, T. Łuczak, A. Wójcik

How to encode the states of two non-entangled qubits in one qutrit?
Phys. Lett. A 314 (2003) 350
A. Grudka, A. Wójcik

Eavesdropping on the "ping-pong" quantum communication protocol
Phys. Rev. Lett. 90 (2003) 157901
A. Wójcik

Measurement of the overlap between quantum states with the use of coherently addressed teleportation
Acta Phys. Slov. 53 (2003) 285
A. Grudka, A. Wójcik

Comment on "Dense coding in entangled states"
Phys. Rev. A 68 (2003) 016301
A. Wójcik, A. Grudka

Projective measurement of the two-photon polarization state: Linear optics approach
Phys. Rev. A 66 (2002) 064303
A. Grudka, A. Wójcik

Multiparty d-dimensional quantum information splitting
Acta. Phys. Polon. 102 (2002) 703
A. Grudka, A. Wójcik

Symmetric scheme for superdense coding between multiparties
Phys. Rev. A 66 (2002) 014301
A. Grudka, A. Wójcik

Rydberg atom photoionization with and without the single-n manifold approximation
Phys. Rev. A 63 ( 2001) 063413
R.Parzyński, M. Sobczak, A. Wójcik

Weak-field Rydberg-atom photoionization: Limitations of restricted-state-basis models
Phys. Rev. A 63 ( 2001) 023412
A. Wójcik

Photoionization artifacts from model Rydberg atoms
J. Phys. B 34 ( 2000) 3629
R.Parzyński, M. Sobczak, A. Wójcik

Dl=1 versus Dl=0 Optical Mixing of Comparable-Energy Rydberg States
Laser Phys. 10 (2000) 205
R.Parzyński, M. Sobczak, A. Wójcik

Photoionization indicators of optical mixing of different-parity degenerate Rydberg states
Phys. Rev. A 61 ( 2000) 023413
R.Parzyński, M. Sobczak, A. Wójcik

Numerical versus analytical model of laser-induced population redistribution in Rydberg atoms
Phys. Rev. A 59 (1999) 597
A. Wójcik, R. Parzyński

Stabilization against ionization via high-Rydberg states
Phys. Rev. A 55 (1997) 2144
A. Wójcik, R. Parzyński, A. Grudka

Interference stabilization of Rydberg atoms: an analytical model with migration of population to higher-l states
Laser Physics 7 (1997) 551
R. Parzyński, A. Wójcik

Stability windows in ionization via Rydberg states
Super-Intense Laser-Atom Physics IV (1996) 55
A. Wójcik, R. Parzyński

Dark-state effect in Rydberg-atom stabilization
JOSA B 12 (1995) 369
A. Wójcik, R. Parzyński

Rydberg atom driven by a sequence of two laser pulses: Ramsey interferometry
Phys. Rev. A 51 (1995) 4787
A. Wójcik, R. Parzyński

Suppression of two-photon ionization via Rydberg states
Phys. Rev. A 51 (1995) 3154
A. Wójcik, R. Parzyński

Multilevel light-induced continuum structure: Strong probe and stabilization effects
Phys. Rev. A 50 (1994) 3285
R. Parzyński, A. Wójcik, J. Schmidt

Multilevel light-induced continuum structure: limitations of adapted Fano theory
JOSA B 11 (1994) 644
R. Parzyński, J. Schmidt, A. Wójcik

Rydberg-atom stabilization against photoionization: An analytically solvable model with resonances
Phys. Rev. A 50 (1994) 2475
A. Wójcik, R. Parzyński

Atomic quasicontinuum effect on spectra of doubly resonant ionization
Phys. Lett. A 160 (1991) 378
A. Wójcik, R. Parzyński

A J=0-1-0 double optical resonance in barium
Opt. Commun. 79 (1990) 26
A. Wójcik, R. Parzyński

An extended model of double optical resonance
J. Mod. Opt. 37 (1990) 1163
A. Wójcik, R. Parzyński

Level-structure effect on double optical resonance
Acta Phys. Polon. A 78 (1990) 393
R. Parzyński, A. Wójcik