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Using a wavefunction Dirac Bogoliubov-de Gennes method, we demonstrate thatthe tunable Fermi level of a graphene layer in the presence of Rashba spinorbit coupling (RSOC) allows for producing an anomalous nonlocal Andreevreflection and equal spin superconducting triplet pairing. We consider agraphene junction of a ferromagnet-RSOC-superconductor-ferromagnetconfiguration and study scattering processes, the appearance of spin tripletcorrelations, and charge conductance in this structure. We show that theanomalous crossed Andreev reflection is linked to the equal spin tripletpairing. Moreover, by calculating current cross-correlations, our resultsreveal that this phenomenon causes negative charge conductance at weak voltagesand can be revealed in a spectroscopy experiment, and may provide a tool fordetecting the entanglement of the equal spin superconducting pair correlationsin hybrid structures.

Nonlocal Andreev Entanglements and Triplet Correlations in Graphene with Spin Orbit Coupling