{"backend_name": "ibmqx2", "backend_version": "2.3.3", "n_qubits": 5, "basis_gates": ["id", "rz", "sx", "x", "cx", "reset"], "gates": [{"name": "id", "parameters": [], "qasm_def": "gate id q { U(0, 0, 0) q; }", "coupling_map": [[0], [1], [2], [3], [4]]}, {"name": "rz", "parameters": ["theta"], "qasm_def": "gate rz(theta) q { U(0, 0, theta) q; }", "coupling_map": [[0], [1], [2], [3], [4]]}, {"name": "sx", "parameters": [], "qasm_def": "gate sx q { U(pi/2, 3*pi/2, pi/2) q; }", "coupling_map": [[0], [1], [2], [3], [4]]}, {"name": "x", "parameters": [], "qasm_def": "gate x q { U(pi, 0, pi) q; }", "coupling_map": [[0], [1], [2], [3], [4]]}, {"name": "cx", "parameters": [], "qasm_def": "gate cx q0, q1 { CX q0, q1; }", "coupling_map": [[0, 1], [0, 2], [1, 0], [1, 2], [2, 0], [2, 1], [2, 3], [2, 4], [3, 2], [3, 4], [4, 2], [4, 3]]}, {"name": "reset", "parameters": null, "qasm_def": null}], "local": false, "simulator": false, "conditional": false, "open_pulse": false, "memory": true, "max_shots": 8192, "coupling_map": [[0, 1], [0, 2], [1, 0], [1, 2], [2, 0], [2, 1], [2, 3], [2, 4], [3, 2], [3, 4], [4, 2], [4, 3]], "dynamic_reprate_enabled": true, "supported_instructions": ["rz", "sx", "id", "reset", "delay", "play", "u1", "measure", "acquire", "u2", "cx", "setf", "shiftf", "u3", "x"], "rep_delay_range": [0.0, 500.0], "default_rep_delay": 250.0, "max_experiments": 75, "sample_name": "family: Canary, revision: 1", "n_registers": 1, "credits_required": true, "online_date": "2017-01-24T05:00:00+00:00", "description": "5 qubit device Yorktown", "dt": 0.2222222222222222, "dtm": 0.2222222222222222, "processor_type": {"family": "Canary", "revision": 1}, "acquisition_latency": [], "allow_q_object": true, "channels": {"acquire0": {"operates": {"qubits": [0]}, "purpose": "acquire", "type": "acquire"}, "acquire1": {"operates": {"qubits": [1]}, "purpose": "acquire", "type": "acquire"}, "acquire2": {"operates": {"qubits": [2]}, "purpose": "acquire", "type": "acquire"}, "acquire3": {"operates": {"qubits": [3]}, "purpose": "acquire", "type": "acquire"}, "acquire4": {"operates": {"qubits": [4]}, "purpose": "acquire", "type": "acquire"}, "d0": {"operates": {"qubits": [0]}, "purpose": "drive", "type": "drive"}, "d1": {"operates": {"qubits": [1]}, "purpose": "drive", "type": "drive"}, "d2": {"operates": {"qubits": [2]}, "purpose": "drive", "type": "drive"}, "d3": {"operates": {"qubits": [3]}, "purpose": "drive", "type": "drive"}, "d4": {"operates": {"qubits": [4]}, "purpose": "drive", "type": "drive"}, "m0": {"operates": {"qubits": [0]}, "purpose": "measure", "type": "measure"}, "m1": {"operates": {"qubits": [1]}, "purpose": "measure", "type": "measure"}, "m2": {"operates": {"qubits": [2]}, "purpose": "measure", "type": "measure"}, "m3": {"operates": {"qubits": [3]}, "purpose": "measure", "type": "measure"}, "m4": {"operates": {"qubits": [4]}, "purpose": "measure", "type": "measure"}, "u0": {"operates": {"qubits": [0, 1]}, "purpose": "cross-resonance", "type": "control"}, "u1": {"operates": {"qubits": [0, 2]}, "purpose": "cross-resonance", "type": "control"}, "u10": {"operates": {"qubits": [4, 2]}, "purpose": "cross-resonance", "type": "control"}, "u11": {"operates": {"qubits": [4, 3]}, "purpose": "cross-resonance", "type": "control"}, "u2": {"operates": {"qubits": [1, 0]}, "purpose": "cross-resonance", "type": "control"}, "u3": {"operates": {"qubits": [1, 2]}, "purpose": "cross-resonance", "type": "control"}, "u4": {"operates": {"qubits": [2, 0]}, "purpose": "cross-resonance", "type": "control"}, "u5": {"operates": {"qubits": [2, 1]}, "purpose": "cross-resonance", "type": "control"}, "u6": {"operates": {"qubits": [2, 3]}, "purpose": "cross-resonance", "type": "control"}, "u7": {"operates": {"qubits": [2, 4]}, "purpose": "cross-resonance", "type": "control"}, "u8": {"operates": {"qubits": [3, 2]}, "purpose": "cross-resonance", "type": "control"}, "u9": {"operates": {"qubits": [3, 4]}, "purpose": "cross-resonance", "type": "control"}}, "conditional_latency": [], "discriminators": ["quadratic_discriminator", "hw_centroid", "linear_discriminator"], "hamiltonian": {"description": "Qubits are modeled as Duffing oscillators. In this case, the system includes higher energy states, i.e. not just |0> and |1>. The Pauli operators are generalized via the following set of transformations:\n\n$(\\mathbb{I}-\\sigma_{i}^z)/2 \\rightarrow O_i \\equiv b^\\dagger_{i} b_{i}$,\n\n$\\sigma_{+} \\rightarrow b^\\dagger$,\n\n$\\sigma_{-} \\rightarrow b$,\n\n$\\sigma_{i}^X \\rightarrow b^\\dagger_{i} + b_{i}$.\n\nQubits are coupled through resonator buses. The provided Hamiltonian has been projected into the zero excitation subspace of the resonator buses leading to an effective qubit-qubit flip-flop interaction. The qubit resonance frequencies in the Hamiltonian are the cavity dressed frequencies and not exactly what is returned by the backend defaults, which also includes the dressing due to the qubit-qubit interactions.\n\nQuantities are returned in angular frequencies, with units 2*pi*GHz.\n\nWARNING: Currently not all system Hamiltonian information is available to the public, missing values have been replaced with 0.\n", "h_latex": "\\begin{align} \\mathcal{H}/\\hbar = & \\sum_{i=0}^{4}\\left(\\frac{\\omega_{q,i}}{2}(\\mathbb{I}-\\sigma_i^{z})+\\frac{\\Delta_{i}}{2}(O_i^2-O_i)+\\Omega_{d,i}D_i(t)\\sigma_i^{X}\\right) \\\\ & + J_{0,1}(\\sigma_{0}^{+}\\sigma_{1}^{-}+\\sigma_{0}^{-}\\sigma_{1}^{+}) + J_{1,2}(\\sigma_{1}^{+}\\sigma_{2}^{-}+\\sigma_{1}^{-}\\sigma_{2}^{+}) + J_{2,3}(\\sigma_{2}^{+}\\sigma_{3}^{-}+\\sigma_{2}^{-}\\sigma_{3}^{+}) + J_{2,4}(\\sigma_{2}^{+}\\sigma_{4}^{-}+\\sigma_{2}^{-}\\sigma_{4}^{+}) \\\\ & + J_{3,4}(\\sigma_{3}^{+}\\sigma_{4}^{-}+\\sigma_{3}^{-}\\sigma_{4}^{+}) + J_{0,2}(\\sigma_{0}^{+}\\sigma_{2}^{-}+\\sigma_{0}^{-}\\sigma_{2}^{+}) \\\\ & + \\Omega_{d,0}(U_{0}^{(0,1)}(t)+U_{1}^{(0,2)}(t))\\sigma_{0}^{X} + \\Omega_{d,1}(U_{2}^{(1,0)}(t)+U_{3}^{(1,2)}(t))\\sigma_{1}^{X} \\\\ & + \\Omega_{d,2}(U_{6}^{(2,3)}(t)+U_{5}^{(2,1)}(t)+U_{7}^{(2,4)}(t)+U_{4}^{(2,0)}(t))\\sigma_{2}^{X} + \\Omega_{d,3}(U_{8}^{(3,2)}(t)+U_{9}^{(3,4)}(t))\\sigma_{3}^{X} \\\\ & + \\Omega_{d,4}(U_{11}^{(4,3)}(t)+U_{10}^{(4,2)}(t))\\sigma_{4}^{X} \\\\ \\end{align}", "h_str": ["_SUM[i,0,4,wq{i}/2*(I{i}-Z{i})]", "_SUM[i,0,4,delta{i}/2*O{i}*O{i}]", "_SUM[i,0,4,-delta{i}/2*O{i}]", "_SUM[i,0,4,omegad{i}*X{i}||D{i}]", "jq0q1*Sp0*Sm1", "jq0q1*Sm0*Sp1", "jq1q2*Sp1*Sm2", "jq1q2*Sm1*Sp2", "jq2q3*Sp2*Sm3", "jq2q3*Sm2*Sp3", "jq2q4*Sp2*Sm4", "jq2q4*Sm2*Sp4", "jq3q4*Sp3*Sm4", "jq3q4*Sm3*Sp4", "jq0q2*Sp0*Sm2", "jq0q2*Sm0*Sp2", "omegad1*X0||U0", "omegad2*X0||U1", "omegad0*X1||U2", "omegad2*X1||U3", "omegad3*X2||U6", "omegad1*X2||U5", "omegad4*X2||U7", "omegad0*X2||U4", "omegad2*X3||U8", "omegad4*X3||U9", "omegad3*X4||U11", "omegad2*X4||U10"], "osc": {}, "qub": {"0": 3, "1": 3, "2": 3, "3": 3, "4": 3}, "vars": {"delta0": -2.078515989791283, "delta1": -2.076140198460304, "delta2": -2.3632544243955147, "delta3": -2.071793501418874, "delta4": -2.092928090491978, "jq0q1": 0.011968734726718661, "jq0q2": 0.01143731530238952, "jq1q2": 0.0077637124867075335, "jq2q3": 0.011434086611531646, "jq2q4": 0.011382837107272241, "jq3q4": 0.012622615872488169, "omegad0": 0.31227678627828565, "omegad1": 0.3287329454702026, "omegad2": 0.2641052707637787, "omegad3": 0.24124632745223779, "omegad4": 0.42046738820058555, "wq0": 33.18944334684542, "wq1": 32.97119189144383, "wq2": 31.62559984414466, "wq3": 33.25055909747699, "wq4": 31.908861733581208}}, "meas_kernels": ["hw_boxcar"], "meas_levels": [1, 2], "meas_lo_range": [[6.030433052, 7.030433052], [5.981651108, 6.981651108], [5.93654928, 6.93654928], [6.078886966, 7.078886966], [6.030066921, 7.030066921]], "meas_map": [[0, 1, 2, 3, 4]], "multi_meas_enabled": true, "n_uchannels": 12, "parametric_pulses": ["gaussian", "gaussian_square", "drag", "constant"], "quantum_volume": 8, "qubit_channel_mapping": [["u4", "u0", "m0", "d0", "u1", "u2"], ["d1", "u0", "u2", "u3", "u5", "m1"], ["d2", "u4", "u7", "u8", "u10", "u1", "m2", "u3", "u5", "u6"], ["u8", "u11", "u9", "m3", "d3", "u6"], ["u7", "u11", "m4", "u9", "d4", "u10"]], "qubit_lo_range": [[4.782263967118866, 5.782263967118866], [4.747528169154703, 5.747528169154703], [4.5333705434418975, 5.533370543441897], [4.791990840932652, 5.791990840932652], [4.578453073335274, 5.578453073335273]], "rep_times": [0.001], "u_channel_lo": [[{"q": 1, "scale": [1.0, 0.0]}], [{"q": 2, "scale": [1.0, 0.0]}], [{"q": 0, "scale": [1.0, 0.0]}], [{"q": 2, "scale": [1.0, 0.0]}], [{"q": 0, "scale": [1.0, 0.0]}], [{"q": 1, "scale": [1.0, 0.0]}], [{"q": 3, "scale": [1.0, 0.0]}], [{"q": 4, "scale": [1.0, 0.0]}], [{"q": 2, "scale": [1.0, 0.0]}], [{"q": 4, "scale": [1.0, 0.0]}], [{"q": 2, "scale": [1.0, 0.0]}], [{"q": 3, "scale": [1.0, 0.0]}]], "uchannels_enabled": true, "url": "None", "allow_object_storage": true}