Here is a list of quantum blogs:

Quantum information wiki 

(http://www.quantiki.org/)

 

o Quantum optics and atom optics directory 

(http://www.quantumoptics.net/)

 

o Ian Glendinning’s Hotlist – view section on Quantum information 

(http://www.vcpc.univie.ac.at/~ian/hotlist/)

 

o The Australian Centre for Quantum Computation and Communication 

Technology 

(http://www.cqc2t.org)

 

o The ARC Centre of Excellence for Engineered Quantum Systems 

(http://www.equs.org)

 

o Quantum Computing: Selected Internet Resources for Librarians, 

Researchers, and the Casually Curious 

(http://www.istl.org/09-spring/internet.html#news)

 

o Sean Carroll – Preposterous Universe

(http://www.preposterousuniverse.com/blog/)

 

o Scott Aaronson - Shtetl-Optimized 

(http://www.scottaaronson.com/blog/)

 

o Dave Bacon - The Quantum Pontiff 

(http://scienceblogs.com/pontiff/)

 

o Michael Bremner - Quantumbiodiscs 

(http://quantumbiodiscs.blogspot.com/)

 

o Coherence – Superconducting Quantum Computing and Superposed 

Quantum Networks

(http://superconducting.blogspot.com/)

 

o Henning Dekant – wavewatching

(http://wavewatching.wordpress.com/)

 

o David Deutsch 

(http://www.qubit.org/people/david/)

 

o Alejandro Díaz-Caro - Computación Cuántica (In Spanish)

(http://computacioncuantica.blogspot.com/)

 

o Neil Dickson 

(http://ndickson.wordpress.com/)

 

o Ian Durham - Quantum Moxie - [Quantum mechanics with an attitude (or, 

my life as a theorist)]

(http://quantummoxie.wordpress.com/)

 

o Joe Fitzsimons - Quantized Thoughts 

(http://blog.jfitzsimons.org/)

 

o Lance Fortnow - Computational Complexity

(http://weblog.fortnow.com/)

 

o Suzanne Gildert - Physics and Cake 

(http://physicsandcake.wordpress.com/)

 

o Jonathan Kleid - Quantum Algorithms 

(http://qualgorithms.blogspot.com/)

 

o Sang Jun Lee - |Sang Jun> = ? 

(http://sangjunlee.blogspot.com/)

 

o Matt Leifer - Quantum Quandaries 

(http://mattleifer.wordpress.com/)

 

o Michael Nielsen 

(http://www.qinfo.org/people/nielsen/blog/)

 

o Sébastien Paquet - Quantum Bits

(http://quantumbits.blogspot.com/)

 

o Prashant - The Soul - [Enquiry about self leading to enquiry about Nature]

(http://quantumguy.blogspot.com/) 

 

o Quantum Quant

(http://quantumquant.com/)

 

o Geordie Rose 

(http://dwave.wordpress.com/)

 

o Robert R. Tucci - Quantum Bayesian Networks 

(http://qbnets.wordpress.com/)

 

o Rod Van Meter - RDV live from Tokyo 

(http://rdvlivefromtokyo.blogspot.com/)

 

o Jack Woehr - Quantum Computing on Dr. Dobb's CodeTalk 

(http://dobbscodetalk.com/index.php?option=com_myblog&category=Q

uantum+Computing&Itemid=29)

 

o Matt Purkeypile - On Quantum Computer Programming 

(http://mpurkeypile.blogspot.com/)

 

o Hendrik Weimer's Quantenblog 

(http://www.quantenblog.net/)

 

o Thomas Vidick - MyCQstate 

(http://mycqstate.wordpress.com/)

 

o Quantum Graph 

(http://noospheer.wordpress.com/)

 

o Quantum Frontiers - Institute for Quantum Information and Matter @ 

Caltech

(http://quantumfrontiers.com/)o Centre for Quantum Technologies - QuantumBlah 

(http://www.quantumblah.org/)

 

o Sankalp Ghatpande's kryptomusing -

(http://kryptomusing.wordpress.com)

 

o Maris Ozols's Mamuta memuāri 

(http://marozols.wordpress.com)

 

o Quantum diaries

(www.quantumdiaries.org/)

 

o UCL Quantum

(http://blogs.ucl.ac.uk/quantum/)

 

o Microsoft’s Research Station Q

(http://research.microsoft.com/en-us/labs/stationq/)

 

o Quantum Leap

(http://edn.com/electronics-blogs/4433895/Quantum-Leap)

 

o Matt Leifer

(http://mattleifer.info/)

 

o NASA’s QuAIL

(http://www.nas.nasa.gov/quantum/)

 

o Google’s Quantum A.I. Lab Team Blog

(https://plus.google.com/+QuantumAILab/posts)

 

o Scientific American's Quantum Computing Section

(http://www.scientificamerican.com/topic/quantum-computing/

 

o USC - Lockheed Martin Quantum Computation Center

(http://www.isi.edu/research_groups/quantum_computing/home)

 

o Martinis Group

(http://web.physics.ucsb.edu/~martinisgroup/index.shtml/)

31. QUANTUM CHANNELS

31.10.+l Long distance photonic channel

31.20.+t Quantum state transport in quantum chains and arrays

31.25.+d Decoherence in quantum channels

31.30.+c Characterization of quantum channels

31.35.+i Dissipative quantum channels

31.40.+d Entanglement distribution

31.50.+m Quantum channel memory

31.60.+n Non-photonic quantum channels

31.70.+g Gaussian channels

31.80.+b Bosonic channels

31.90.+e Entangled channels

 

32. QUANTUM REPEATERS

32.10.+c Communication over noisy channels

32.20.+m Quantum memories/storage of qubits

32.30.+s Entanglement swapping

32.40.+p Realization of purification, concentration, and distillation in physical systems

32.50.-c Quantum communication complexity

32.50.Fp Quantum fingerprinting

32.60.+s Small scale quantum processors

 

33. QUBIT INTERFACES

33.10.+a Cavity QED (atoms or ions)

33.20.+d Quantum dots

33.30.+s SQUIDs

33.40.+j Josephson junctions <-> ions

33.45.+u Superconducting qubits <-> spins

33.50.+n Nanomechanical resonators <-> quantum dots, superconducting qubits

33.60.+a Atomic systems <-> mesoscopic conductors

33.70.+o Optical systems <-> solid-state systems

33.80.+m Atomic-ensemble quantum memory for light

33.90.+e Entanglement between atoms and photons

11. ALGORITHMS

11.10.+c Quantum complexity theory

11.20.+a Role of entanglement in quantum algorithms

11.30.+h Factoring, hidden subgroup

11.40.+s Quantum search

11.50.+m Quantum maps, quantum chaos

11.60.+g Quantum games, strategies

11.70.+w Quantum random walks

11.80.+e Spectral evaluation

11.90.+m Quantum template matching

11.95.+o Other algorithms

 

12. SIMULATIONS

12.10.+i Simulations of many-body interactions

12.20.+h Optimal simulation of few-qubit Hamiltonians

12.30.+u Universal quantum simulators with specific systems (e.g. trapped ions, optical lattices, etc.)

12.40.+e Efficient classical simulation of quantum computation

 

13. DEFEATING ERRORS

13.10.+n Effects of noise and imperfections

13.20.+e Quantum error correction

13.30.+t Fault-tolerant quantum computation

13.40.+d Decoherence-free subspaces /noiseless subsystems

13.50.+d Dynamical/algebraic decoupling/recoupling

13.60.+p Geometric/topological protection

13.70.+f Quantum feedback/filtering and control

13.80.+a Errors and chaos

 

14. MODELS AND ARCHITECTURES

14.10.+c Quantum circuit model

14.20.+a Quantum cellular automata

14.30.+t Quantum Turing machine

14.35.+i Initialization of quantum registers

14.40.+m Measurement-based quantum computation

14.50.+a Adiabatic quantum computation

14.60.+g Geometric/topological and holonomic quantum computation

14.70.+p Post-selected quantum computation

14.80.+f Quantum computation with fixed couplings

14.90.+l Quantum computation with local control

14.95.+p Probabilistic quantum computation

 

15. IMPLEMENTATIONS: QUANTUM OPTICS

15.10.–p Quantum Optics: Physical qubits

15.10.El Electrons

15.10.Ie Ions: electronic states

15.10.Iv Ions: vibrational states

15.10.Ne Neutral atoms: electronic states

15.10.Nv Neutral atoms: vibrational states

15.10.Ry Rydberg atoms

15.10.Ph Photons

15.10.Qd Quantum dots

15.10.En Atomic ensembles

15.10.Mo Molecules

15.20.–e Quantum Optics: Experimental system

15.20.Pt Penning traps (planar and circular)

15.20.Lp Linear Paul traps

15.20.Ml Micro-fabricated lithographic traps

15.20.Ol Optical lattices

15.20.Mc Magnetic atom chips

15.20.Oc Optical atom chips

15.20.Lo Linear optics

15.20.Ca Cavity QED

15.20.Ro Readout techniques in quantum optics

 

16. IMPLEMENTATIONS: CONDENSED MATTER

16.10.–p Condensed Matter: Physical qubits

16.10.Ec Electrons in solids: charge

16.10.Es Electrons in solids: spin

16.10.Sc Spin chains

16.10.Is Ions in solids

16.10.Ns Nuclear spins

16.10.Jn Josephson nanodevices

16.20.–e Condensed Matter: Experimental system

16.20.De Electrically realized quantum dots

16.20.Db Band-gap modulation quantum dots

16.20.Sr Electron spin resonance

16.20.Re Rare-earth-ion-doped crystals

16.20.Ln Liquid NMR

16.20.Pd Atomic donors in semiconductor substrates

16.20.Ec Endohedral C60 on surfaces

16.20.Ih Isotopically engineered heterostructures

16.20.Ns QD nuclear spin ensembles

16.20.Cq Charge qubits

16.20.Pq Phase qubits

16.20.Fq Flux qubits

16.20.Sq Superconducting qubits coupled to resonators

16.20.Dc Defect centers in diamonds

16.20.Rc Readout techniques in condensed matter

 

17. OTHER IMPLEMENTATIONS

17.10.+n Nanotubes and nanowires

17.20.+m Single-domain magnetic particles

17.30.+e Electrons on helium films

17.40.+d Molecular spin/dipole arrays

17.50.+h Quantum Hall systems

17.60.+r Nanomechanical resonators

17.70.+s Spectral hole burning

17.80.+h Hybrid systems

17.90.+s Surface-acoustic-wave-based quantum computer

 

18. DECOHERENCE STUDIES

18.10.+b System-bath interaction (harmonic bath, spin bath)

18.20.+s Electron spins in semiconductors (phonons, nuclear spins)

18.30.+a Atoms close to surfaces/in laser fields or cavities

18.40.+n Electromagnetic noise on trapped ions

18.50.+p Electric and phonon noise in semiconductors

18.60.+d Disentanglement via dissipation/dephasing

18.70.+s Decoherence in solid state systems

18.80.+d Quantum dissipative systems

21. PROTOCOLS

21.10.+a Quantum authentication/identification

21.20.-s Quantum secret sharing/data hiding

21.20.Kl Quantum key distillation

21.20.Kd Quantum key distribution

21.20.Rp Remote state preparation

21.20.Rc Quantum remote control

21.20.Sc Quantum bit-string commitment

21.30.+c Quantum coding

21.40.+d Quantum data compression

21.50.+t Teleportation

21.60.+e Entanglement based protocols

21.70.+q Qudits

21.80.+c Quantum cloning

 

22. INFORMATION SECURITY BEYOND QUANTUM CRYPTOGRAPHY

22.10.+k High key rates

22.20.+d Continuous variables

22.30.+c Quantum codes

22.40.+p Privacy amplification

22.50.+t Teleportation as a cryptographical primitive

22.60.+e Eavesdropping detection

22.65.+a Eavesdropping attacks/strategies

22.70.+s Security proofs

22.80.+p Plug and play systems

22.90.+d Distrustful cryptography

 

23. LONG-DISTANCE QUANTUM COMMUNICATION

23.05.+f Fiber-based quantum communication

23.10.+l Limits for shared entanglement

23.20.+f Free-space entanglement

23.25.+c Free-space quantum communication

23.30.+o Outer-space quantum communication

23.40.+a Adaptive optics

23.50.+s Feasibility studies for satellite based quantum communication

23.60.+d Study of decoherence

23.70.+s Space qualified technologies

 

24. SOURCES

24.10.-s Single photons

24.10.Od Single photons on demand

24.10.Tw Single photons at telecom wavelength

24.20.-e Entangled photons

24.20.Od Entangled photons on demand

24.20.Tw Entangled photons at telecom wavelength

24.30.+s Squeezed states sources

24.40.+h High efficiency sources

24.50.+m Multiphoton sources

24.60.+s Generation of specific states of radiation

24.70.+c Color-center/quantum dot photon sources

 

25. DETECTORS

25.10.+e Quantum efficiency of detectors

25.20.+n Number resolution

25.30.+c Clock synchronization

25.40.+t Automated state and process tomography

25.50.+m Miniaturization

25.60.+a Quantum state analyzers

01. PHYSICS AND INFORMATION SCIENCE

01.10.+i Encoding, processing and transmission of information via physical systems

01.20.+e Reversibility and irreversibility in information processing

01.30.+r Quantum states and dynamics as a resource for information processing

01.40.+n Entanglement as a resource for information processing

01.50.+e Entropy and other measures of information

 

02. FUNDAMENTAL PROBLEMS

02.10.+t Quantum-Classical Transition

02.20.+c Mesoscopic and Macroscopic Quantum Coherence

02.30.-n Entanglement, nonlocality, complementarity

02.30.Bi Bell inequalities

02.30.An Bell theorem without inequalities

02.30.Lh Loopholes in Bell-type experiments

02.40.+d Interaction with environment

02.50.+r Reference frames in quantum mechanics

02.60.+g Geometric/topological phases

02.70.+a Theories alternative to quantum mechanics

02.80.+i Fundamentals of quantum interference (quantum eraser, which-way information, etc.)

02.90.+f Foundational issues of quantum mechanics

 

03. ENTANGLEMENT

03.02.+s Separability properties

03.05.+c Characterization and classification of entanglement

03.10.+m Entanglement measures

03.20.+w Entanglement detection/witnesses

03.25.+y Entanglement catalysts

03.30.+e Entangling/Disentangling power of quantum evolutions and transformations

03.40.+t Thermal/mixed state entanglement

03.50.+b Bound entanglement

03.60.+i Entanglement of identical particles and statistics

03.70.+c Entanglement versus correlation

03.80.+p (Theory of) purification, distillation, concentration

03.90.+m (Other) mathematical aspects of composite quantum systems

 

04. ENTANGLEMENT IN MANY-BODY SYSTEMS

04.10.+s Entanglement in spin models/oscillator chains

04.20.+b Squeezing and entanglement in quantum degenerate gases and BCS model

04.25.+l Entanglement in solid state systems, Luttinger liquids, etc.

04.30.+p Entanglement in phase transitions

04.40.+c Entanglement, chaos and disorder

04.50.+m Efficient simulation of quantum many-body systems

04.60.+s Entanglement in mesoscopic/macroscopic systems

04.70.+m Multi-particle/multi-photon entanglement

04.80.+d Entanglement dynamics in composite quantum systems

04.90.+t Entanglement transfer

 

05. CROSS DISCIPLINARY LINKS

05.05.+r Quantum information & relativity/cosmology

05.10.+s Quantum information & quantum statistics

05.20.+c Quantum information & quantum chaos

05.30.+t Quantum information & thermodynamics

05.40.+n Quantum information & neural networks

05.50.+a Quantum information & adaptive learning and feedback control

05.60.+c Quantum information & chemistry

05.70.+o Quantum information & quantum control

05.80.+m Quantum information & complex systems

05.90.+p Quantum information & quantum field theory/particle physics

 

06. QUANTUM MEASUREMENTS 

06.10.+d Dynamics of the measurement process

06.15.+e Measurement-induced transformations

06.20.+m Quantum measurement theories

06.25.+n Quantum non-demolition measurements

06.30.+p Positive Operator Valued Measurements (POVM’s)

06.35.+w Weak measurements

06.40.+z Quantum Zeno effect

06.50.+t Tomographic state reconstruction

06.60.+r Non-tomographic state reconstruction/estimation

06.70.+e Phase estimation

06.80.+s Quantum state discrimination

06.85.+o Quantum operator discrimination/reconstruction

06.90.+m Parameter estimation

 

06. MATHEMATICS OF HILBERT SPACE

07.10.+r State representations (quasi-probability distributions, Poincare’ sphere, Stokes parameters, etc.)

07.20.+b Properties of special bases

07.30.+o Properties of operators

07.40.+d Distance between states

07.50.+n No-go theorems

07.60.+s Special states (graph states, cluster states, etc.)