Publications
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IN PRESS
89 L.-P. Lamoureux, H. Bechmann-Pasquinucci, N. J. Cerf, N. Gisin, C. Macchiavello, Reduced randomness in quantum cryptography with sequences of qubits encoded in the same basis, Phys. Rev. A (quant-ph/0507058) PDF
88 D. Bruss, G. M. D'Ariano, M. Lewenstein, C. Macchiavello, A. Sen(De), and U. Sen, Quantum dense coding with multipartite quantum states, Int. J. Quant. Inf. PDF
87 F. Buscemi, G. M. D'Ariano, C. Macchiavello, and P. Perinotti, Optimal superbroadcasting of mixed qubit states (quant-ph/0510155) Presented at 13th Quantum Information Technology Symposium (QIT13), Sendai, Japan, November 24-25, 2005 PDF
 
PRINTED
86 M. Lewenstein, C. Macchiavello and D. Bruss, Quantum entanglement, in ''Quantum Information Processing and Communications in Europe'', European Communities (2005), p. 23 PDF
85 D. Bruss and C. Macchiavello, How the first partial transpose was written, Found. Phys. 35, 1921 (2005) PDF
84 F. Buscemi, G.M. D'Ariano and C. Macchiavello, Optimal time reversal of multiphase equatorial states, Phys. Rev. A 72, 062311 (2005) PDF
83 G.M. D'Ariano, C. Macchiavello and P. Perinotti, Superbroadcasting of mixed states, Phys. Rev. Lett. 95, 060503 (2005) PDF
82 G. De Chiara, R. Fazio, C. Macchiavello, S. Montangero and G.M. Palma, Cloning transformations in spin networks without external control, Phys. Rev. A 72, 012328 (2005) PDF
81 H. Bechmann Pasquinucci, G.M. D'Ariano and C. Macchiavello, Impossibility of perfect quantum sealing of classical information, Int. J. Quant. Inf. 3, 435 (2005) PDF
80 N.J. Cerf, J. Clavareau, C. Macchiavello and J. Roland, Quantum entanglement enhances the capacity of bosonic channels with memory, Phys. Rev. A 72, 042330 (2005) PDF
79 G.M. D'Ariano, C. Macchiavello and P. Perinotti, Optimal phase estimation for qubits in mixed states, Phys. Rev. A 72, 042327 (2005) PDF
78 F. Caruso, H. Bechmann Pasquinucci and C. Macchiavello, Robustness of quantum key distribution with two and three mutually unbiased bases, Phys. Rev. A 72, 032340 (2005) PDF
77 D. Bruss, N. Datta, A. Ekert, L. Kwek and C. Macchiavello, Multipartite entanglement in quantum spin chains, Phys. Rev. A 72, 014301 (2005) PDF
76 F. Buscemi, G.M. D'Ariano and C. Macchiavello, Economical phase covariant cloning for qudits, Phys. Rev. A 71, 042327 (2005) PDF
75 R. Fazio and C. Macchiavello, Properties of entanglement in interacting spin systems, Ann. Phys. 14, 177 (2005) PDF
74 G. De Chiara, R. Fazio, C. Macchiavello and G.M. Palma, Quantum error correction driven entanglement dynamics in the presence of correlated noise, Int. J. Quantum Info. 3, 207 (2005) PDF
73 C. Macchiavello, Optimal state estimation and cloning for equatorial quantum systems with arbitrary dimension, Int. J. Quantum Info. 3, 57 (2005) PDF
72 G. De Chiara, R. Fazio, C. Macchiavello, S. Montangero and G.M. Palma, Quantum cloning in spin networks, Phys. Rev. A 70, 062308 (2004) PDF
71 D. Bruss, G.M. D'Ariano, M. Lewenstein, C. Macchiavello, A. Sen(De) and U. Sen, Distributed quantum dense coding, Phys. Rev. Lett. 93, 210501 (2004) PDF
70 C. Macchiavello, On the role of entanglement in quantum information, Physica A 338, 68 (2004) PDF
69 P. Hyllus, C. Moura Alves, D. Bruss and C. Macchiavello, Generation and detection of bound entanglement, Phys. Rev. A 70, 032316 (2004) PDF
68 C. Macchiavello, G.M. Palma and S. Virmani, Transition behavior in the channel capacity of two-qubit channels with memory, Phys. Rev. A 69, 010303(R) (2004) PDF
67 G. De Chiara, R. Fazio, C. Macchiavello and G.M. Palma, Entanglement production by quantum error correction in the presence of correlated environment , Europhys. Lett. 67, 714 (2004) PDF
66 M. Ricci, F. De Martini, N.J. Cerf, R. Filip, J. Fiurasek and C. Macchiavello, Experimental purification of single qubits, Phys. Rev. Lett. 93, 170501 (2004) PDF
65 M. Barbieri, F. De Martini, G. Di Nepi, P. Mataloni, G. M. D'Ariano, and C. Macchiavello, Experimental realization of Entanglement Witness, Phys. Rev. Lett. 91 227901 (2003) PDF ECIT
64 G. M. D'Ariano, C. Macchiavello, and M. G. A. Paris, Local observables for entanglement detection of depolarised states, Phys. Rev. A 87 042310 (2003) PDF ECIT
63 G. M. D'Ariano and C. Macchiavello, Optimal phase covariant cloning for qubits and qutrits, Phys. Rev. A 87 042306 (2003) PDF ECIT
62 C. Macchiavello, Optimal estimation of multiple phases, Phys. Rev. A 67, 062302 (2003)
61 C. Macchiavello and G.M. Palma, Classical information transfer over noisy quantum channels, Fortschr. Phys. 51, 414 (2003)
60 C. Macchiavello and D. Bruss, Security aspects of quantum cryptography with d-dimensional systems, J. Mod. Opt. 50, 1025 (2003)
59 O. Guhne, P. Hyllus, D. Bruss, A. Ekert, M. Lewenstein, C. Macchiavello and A. Sanpera, Experimental detection of entanglement via witness operators and local measurements, J. Mod. Opt. 50, 1079 (2003)
58 D. Bruss, M. Christandl, A. Ekert, B.E. Englert, D. Kaszlikowski and C. Macchiavello,
Tomographic quantum cryptography: equivalence of quantum and classical key distillation, Phys. Rev. Lett. 91, 097901 (2003)
57 D. Bruss and C. Macchiavello, On the entanglement structure in quantum cloning, Found. Phys. 33, 1617 (2003)
56 O. Guhne, P.Hyllus, D.Brub, A. Ekert, M. Lewenstein, C. Macchiavello and A.Sanpera, Detection of entanglement with few local measurements, Phys. Rev. A 66, 062305 (2002) PDF
55 C. Macchiavello and G.M. Palma, Entanglement enhanced information transmission over a quantum channel with correlated noise, Phys. Rev. A, 65, R050301 (2002) PDF
54 D. Bruss and C. Macchiavello, Optimal eavesdropping in cryptography with threedimensional quantum states, Phys. Rev. Lett. 88, 127901 (2002) PDF
53 G. M. D'Ariano, F. De Martini, and C. Macchiavello, Quantum Statistics of Photon Cloning Machines, Phys. Lett. A 283 1-2 (2001) pp. 15-19 PDF
52 G. M. D'Ariano, C. Macchiavello, and M. F. Sacchi, Joint measurements via quantum cloning, Journal of Optics B: Quantum and Semiclass. Opt. 3 44 (2001) PDF ECIT
51 D. Bruss and C. Macchiavello, Optimal cloning for two pairs of orthogonal states, J. Phys. A 34 1 (2001) PDF
50 D. Bruss, G. M. D'Ariano, C. Macchiavello, and M. F. Sacchi, Approximate quantum cloning and the impossibility of superluminal information transfer, Phys. Rev. A 62 62302 (2000) PDF ECIT
49 D. Bruss, M. Cinchetti, G. M. D'Ariano, C. Macchiavello, Phase covariant quantum cloning, Phys. Rev. A 62 012302 (2000) PDF ECIT
48 G. M. D'Ariano, C. Macchiavello, P. Perinotti, M. F. Sacchi, Isotropic phase squeezing and the arrow of time, Phys. Lett. A 268 241 (2000) PDF ECIT
47 G. M. D'Ariano, C. Macchiavello, L. Maccone, Quantum computations with polarized photons, Fortschr. Phys. 48 573 (2000) PDF ECIT
46 G. M. D'Ariano, C. Macchiavello, and N. Sterpi, Accuracy in quantum homodyne tomography, in Quantum Communication, Computing, and Measurement 2, Edited by P. Kumar, G. M. D'Ariano, and O. Hirota, Kluwer Academic/Plenum Publishers (New York and London 2000), p. 181 PDF
45 U. Hohenester, G. Panzarini, F. Troiani, E. Molinari and C. Macchiavello, Coherent population transfer in coupled semiconductor quantum dots, Appl. Phys. Lett. 77, 1864 (2000) PDF
44 C. Macchiavello, Universal transformations for finite dimensional quantum systems, Fortschr. Phys. 48, 545 (2000) PDF
43 C. Macchiavello, Bounds on the efficiency of cloning for two-state quantum systems, J. Optics B 2, 144 (2000) PDF
42 D. Bruss, L. Faoro, C. Macchiavello and G.M. Palma, Quantum entanglement and classical communication through a depolarising channel, J. Mod. Optics47, 325 (2000) PDF
41 G. M. D'Ariano, P. Kumar, Macchiavello, L. Maccone, and N. Sterpi, A Test of State Reduction and Quantum Correlations, Phys. Rev. Lett. 83 2490 (1999) PDF
40 G. M. D'Ariano, C. Macchiavello and L. Maccone, Quantum tomography of mesoscopic superpositions of radiation states, Phys. Rev. A 59 1816 (1999) PDF ECIT
39 J.I. Cirac, A. Ekert, S.F. Huelga and C. Macchiavello, Distributed quantum computation over noisy channels, Phys. Rev. A59, 4249 (1999) PDF
38 D. Bruss and C. Macchiavello, Optimal state estimation for d-dimensional quantum systems, Phys. Lett. A 253, 249 (1999) PDF
37 J.I. Cirac, A. Ekert and C. Macchiavello, Optimal purification of single qubits, Phys. Rev. Lett. 82, 4344 (1999) PDF
36 G. M. D'Ariano, C. Macchiavello and M. F. Sacchi, On the general problem of quantum phase estimation, Phys Lett. A (248) 103-108 (1998) PDF ECIT
35 G. M. D'Ariano and C. Macchiavello, Comment on "Loss-error compensation in quantum-state measurements", Phys. Rev. A 57 3131 (1998) PDF ECIT
34 C. Macchiavello, Comunicare in segretezza: recenti progressi in crittografia quantistica, Istituto Lombardo (Rend. Sc.) B 132, 127 (1998)
33 R. Cleve, A. Ekert, L. Henderson, C. Macchiavello and M. Mosca, On quantum algorithms, Complexity 4, 33 (1998)
32 S.F. Huelga, P.L. Knight, C. Macchiavello, M.B. Plenio and V. Vedral, Entanglement in frequency standards and quantum information theory, Appl. Phys. B 67, 723 (1998)
31 A. Ekert and C. Macchiavello, Against quantum noise, Acta Phys. Polonica A 93, 63 (1998)
30 D. Bruss, D.P. DiVincenzo, A. Ekert, C.A. Fuchs, C. Macchiavello and J.A. Smolin, Optimal universal and state-dependent quantum cloning, Phys. Rev. A 57, 2368 (1998) PDF
29 R. Cleve, A. Ekert, C. Macchiavello and M. Mosca, Quantum algorithms revisited, Proc. R. Soc. Lond. A 454, 339, (1998) PDF
28 C. Macchiavello, On the analytical convergence of the QPA procedure, Phys. Lett. A 246, 385 (1998) PDF
27 D. Bruss, A. Ekert and C. Macchiavello, Optimal universal quantum cloning and state estimation, Phys. Rev. Lett. 81, 2598 (1998) PDF
26 G. Castagnoli, A. Ekert and C. Macchiavello, Quantum computation: from the sequential approach to simulated annealing, Int. J. Theor. Phys. 37, 463 (1998) PDF
25 G. M. D'Ariano, C. Macchiavello, and L. Maccone, Noise, errors and information in quantum amplification, Int. Jour. Mod. Phys. B 11 3385 (1997) PDF ECIT
24 G. M. D'Ariano, C. Macchiavello, and N. A. Sterpi, Systematic and statistical errors in homodyne measurements of the density matrix, Quantum Semiclass. Opt. 9 929 (1997) PDF ECIT
23 A. Barenco, A. Berthiaume, D. Deutsch, A. Ekert, R. Jozsa and C. Macchiavello, Stabilisation of quantum computation by symmetrisation, SIAM J. Comput. 26, 1541 (1997)
22 A. Ekert and C. Macchiavello, Restoration of quantum states after measurements, Appl. Phys. B 64, 125 (1997)
21 S.F. Huelga, C. Macchiavello, T. Pellizzari, A.K. Ekert, M.B. Plenio and I.J. Cirac, Improvement of frequency standards with quantum entanglement, Phys. Rev. Lett. 79, 3865 (1997) PDF
20 G.M. D'Ariano, C. Macchiavello, N. Sterpi and H.P. Yuen, Amplification in small phase-shifts measurements in "Quantum Interferometry II", ed. by F. De Martini, G. Denardo, Y. Shih, VCH Publishers (Weilheim 1996), p. 287 PDF
19 G. M. D'Ariano, C. Macchiavello, N. Sterpi, and H. P. Yuen, Quantum phase amplification, Phys. Rev. A 54 4712 (1996) PDF
18 G. M. D'Ariano, C. Macchiavello and M. G. A. Paris, Feasible phase detection with ideal sensitivity, J. Phys. A: Math. general 29 5605 (1996) PDF
17 G. M. D'Ariano, C. Macchiavello and M. G. A. Paris, A fictitious photons method for tomographic imaging, Optics Communications 129 6 (1996) PDF
16 G. M. D'Ariano, C. Macchiavello and M. G. A. Paris, Reply to Nilsson et al.'s comment on: "Amplification under the standard quantum noise limit [Phys. Rev. Lett. 73 3187 (1994)]", Phys. Rev. Lett. 76 1973 (1996) PDF
15 A. Barenco, A. Ekert, C. Macchiavello and A. Sanpera, Un saut d'echelle pour les calculateurs (A leap in scale for computers), La Recherche 292, 52 (1996)
14 C. Macchiavello and A. Sanpera, An unconditionally secure protocol for quantum cryptography, Acta Phys. Slov. 46, 439 (1996)
13 D. Deutsch, A. Ekert, R. Jozsa, C. Macchiavello, S. Popescu and A. Sanpera, Quantum privacy amplification and the security of quantum cryptography over noisy channels, Phys. Rev. Lett.77, 2818 (1996) PDF
12 A. Ekert and C. Macchiavello, Quantum error correction for communication, Phys. Rev. Lett. 77, 2585 (1996) PDF
11 G. M. D'Ariano, C. Macchiavello, and M. G. A. Paris, Information gain in quantum communication channels, in Quantum Communication and Measurement, ed. V. P. Belavkin, O. Hirota and R. L. Hudson, Plenum Press (New York and London 1995), pag. 339 PDF
10 G. M. D'Ariano, C. Macchiavello, and M. G. A. Paris, A novel method to detect quantum states of radiation field, Nuovo Cimento 110 B, 237 (1995) PDF
9 G. M. D'Ariano, C. Macchiavello, and M. G. A. Paris, Optimized phase detection, Phys. Lett. A 198, 286 (1995) PDF
8 G. M. D'Ariano and C. Macchiavello, A simulation approach to Fokker-Planck modelling of lasers and optical amplifiers, in "Computer Simulations in Nonlinear Optics" [Moscow-Nizhny Novgorod 27 june-4 july 1993] SPIE 2098, 47 (1994) PDF
7 G. M. D'Ariano, C. Macchiavello and M. G. A. Paris, Amplification under the standard quantum noise limit, Phys. Rev. Lett. 73 3187 (1994) PDF
6 G. M. D'Ariano, C. Macchiavello and M. G. A. Paris, Detection of the Density Matrix through Optical Homodyne Tomography without Filtered Back Projection Phys. Rev. A 50 4298 (1994) PDF
5 G. M. D'Ariano, C. Macchiavello and M. G. A. Paris, Precision of Quantum Tomographic Detection of Radiation, Phys. Lett. A 195 31 (1994) PDF
4 G. M. D'Ariano, C. Macchiavello and M. G. A. Paris, Homodyning and heterodyning the quantum phase, in Workshop on Squeezed States and Uncertainty Relations 1993, ed. by D. Han, Y. S. Kim, N. H. Rubin, and W. W. Zachary, NASA CP-3270 (1994) p. 129 PDF
3 G. M. D'Ariano, C. Macchiavello, and S. Moroni, On the Monte Carlo simulation approach to Fokker-Planck equations in quantum optics, Mod. Phys. Lett. B 8 239 (1994) PDF
2 G. M. D'Ariano and C. Macchiavello Frequency conversion and amplification for photon number detection, Phys. Rev. A 48 3947 (1993) PDF
1 G. M. D'Ariano, C. Macchiavello, and M. Paris, Photon number amplification/duplication through parametric conversion in Squeezed States and Uncertainty Relations, Joint Lebedev-Maryland Workshop, Moscow May 25-29, 1992 ed. by D. Han, J. S. Kim, and W. W. Zachary, NASA CP-3219 (1993) pag.71 PDF
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